ELECTRON BOND POTENTIAL

Size: px
Start display at page:

Download "ELECTRON BOND POTENTIAL"

Transcription

1 E ELECTRON BOND POTENTIAL

2 ELECTRON BOND POTENTIAL

3 E- BOND POTENTIAL > E- 6 P NUCLEUS PROXIMITY E- BOND POTENTIAL

4 E- BOND POTENTIAL E 6 P+ NUCLEUS 6 N~ = E- CARBON ATOM

5 E- BOND POTENTIAL C 6 P+ NUCLEUS E- 6 N~ E- W/ INNER PROXIMITY = E- CARBON ATOM

6 E- BOND POTENTIAL G 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS E- W/ INNER PROXIMITY = E- CARBON ATOM

7 E- BOND POTENTIAL L 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION E- W/ INNER PROXIMITY = E- CARBON ATOM

8 E- BOND POTENTIAL ^ E 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

9 E- BOND POTENTIAL D E- W/ OUTER PROXIMITY E- 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

10 E- BOND POTENTIAL L E- W/ OUTER PROXIMITY E- DISTANT PROXIMITY TO NUCLEUS 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

11 E- BOND POTENTIAL E- W/ OUTER PROXIMITY E- DISTANT PROXIMITY TO NUCLEUS LESS NUCLEUS ATTRACTION 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

12 E- BOND POTENTIAL F IG BOND POTENTIAL E- DISTANT PROXIMITY TO NUCLEUS LESS NUCLEUS ATTRACTION 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

13 E- BOND POTENTIAL V FORM CEM BONDS E- DISTANT PROXIMITY TO NUCLEUS LESS NUCLEUS ATTRACTION 6 P+ NUCLEUS E- 6 N~ CLOSE PROXIMITY TO NUCLEUS GREATER NUCLEUS ATTRACTION LOW BOND POTENTIAL = E- CARBON ATOM

14 VALENCE ELECTRONS > VALENCE ELECTRONS 6 P+ NUCLEUS 6 N~ = E- CARBON ATOM

15 CEMICAL BONDS ^ VALENCE E- KEY 6 P NUCLEUS CEMICAL BOND FORMATION CEMICAL BONDS

16 E VALENCE E- ELECTRO-NEGATIVITY

17 ELECTRO-NEGATIVITY

18 ELECTRO-NEGATIVITY D ELEMENT E- 6 P NUCLEUS AFFINITY ELECTRO-NEGATIVITY

19 ELECTRO-NEGATIVITY VALUES D ATOM: CARBON Symbol: C Atomic Number: 6 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F) Number of Protons/Electrons: 6 Number of Neutrons: 6 Electro-Negativity: 2.5 Classification: Non-metal Crystal Structure: exagonal 293 K: 2.62 g/cm3 Color: May be black ATOM: OXYGEN Symbol: O Atomic Number: 8 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C (90.15 K, F) Number of Protons/Electrons: 8 Number of Neutrons: 8 Electro-Negativity: 3.5 Classification: Non-metal Crystal Structure: Cubic 293 K: g/cm3 Color: colorless DIFFERENT ELEMENTS

20 ELECTRO-NEGATIVITY VALUES C O D ATOM: CARBON Symbol: C Atomic Number: 6 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F) Number of Protons/Electrons: 6 Number of Neutrons: 6 Electro-Negativity: 2.5 Classification: Non-metal Crystal Structure: exagonal 293 K: 2.62 g/cm3 Color: May be black ATOM: OXYGEN Symbol: O Atomic Number: 8 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C (90.15 K, F) Number of Protons/Electrons: 8 Number of Neutrons: 8 Electro-Negativity: 3.5 Classification: Non-metal Crystal Structure: Cubic 293 K: g/cm3 Color: colorless DIFFERENT ELEMENTS DIFFERENT ELEMENTAL PROPERTIES

21 ELECTRO-NEGATIVITY VALUES ATOM: CARBON Symbol: C Atomic Number: 6 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F) Number of Protons/Electrons: 6 Number of Neutrons: 6 Electro-Negativity: 2.5 Classification: Non-metal Crystal Structure: exagonal 293 K: 2.62 g/cm3 Color: May be black ATOM: OXYGEN Symbol: O Atomic Number: 8 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C (90.15 K, F) Number of Protons/Electrons: 8 Number of Neutrons: 8 Electro-Negativity: 3.5 Classification: Non-metal Crystal Structure: Cubic 293 K: g/cm3 Color: colorless DIFFERENT ELEMENTS DIFFERENT ELECTRO-NEGATIVITY VALUES

22 PERIODIC TABLE ELECTRO-NEGATIVITY VALUES AP IGER E-N VALUE TE GREATER TE E- AFFINITY

23 ELECTRO-NEGATIVITY APPILED

24 ELECTRO-NEGATIVITY VALUES L ATOM ATOM 1ST ATOM 2ND ATOM = E- CEMICAL BOND

25 ELECTRO-NEGATIVITY VALUES ATOM ATOM 1ST ATOM 2ND ATOM LOW E- NEG VALUE = E- CEMICAL BOND

26 ELECTRO-NEGATIVITY VALUES B ATOM ATOM 1ST ATOM 2ND ATOM LOW E- NEG VALUE IG E- NEG VALUE = E- CEMICAL BOND

27 ELECTRO-NEGATIVITY VALUES ATOM BOND ATOM 1ST ATOM 2ND ATOM LOW E- NEG VALUE IG E- NEG VALUE = E- CEMICAL BOND

28 ELECTRO-NEGATIVITY VALUES ATOM BOND ATOM 1ST ATOM 2ND ATOM LOW E- NEG VALUE IG E- NEG VALUE = E- CEMICAL BOND

29 ELECTRO-NEGATIVITY VALUES > ATOM BOND ATOM 1ST ATOM 2ND ATOM LOW E- NEG VALUE IG E- NEG VALUE = E- CEMICAL BOND

30 CEMICAL BONDS CEMICAL BONDS > E- MOVE FROM ATOMS W/ LOW E- NEG 6 P NUCLEUS ATOMS W/ IG E- NEG

31 CEMICAL BONDS CEMICAL BONDS ^ ELECTRO NEGATIVITY KEY 6 P NUCLEUS CEMICAL BOND FORMATION

32 L CEMICAL BOND TYPES

33 CEMICAL BOND TYPES COVALENT BONDS CEMICAL BOND TYPES

34 CEMICAL BOND TYPES COVALENT BONDS IONIC BONDS CEMICAL BOND TYPES

35 CEMICAL BOND ^ TYPES COVALENT BONDS IONIC BONDS YDROGEN BONDS CEMICAL BOND TYPES

36 C COVALENT BONDS

37 COVALENT BONDS

38 COVALENT BONDS ^ ATOMS SARE 6 P NUCLEUS VALENCE E- COVALENT BONDS

39 NON-POLAR ^ COVALENT BONDS & POLAR COVALENT BONDS

40 N NON-POLAR COVALENT BOND

41 NON-POLAR COVALENT BOND

42 NON-POLAR COVALENT BOND EG ATOMS EQUALLY 6 P SARE NUCLEUS VALENCE E- NON-POLAR COVALENT BOND

43 > NON-POLAR COVALENT BOND EXAMPLE YDROGEN MOLECULE

44 NON-POLAR COVLENT BOND B YDROGEN ATOMS = E-

45 NON-POLAR COVLENT BOND = E- YDROGEN ATOMS 1ST ATOM 2ND ATOM BOND = E- YDROGEN MOLECULE

46 NON-POLAR COVLENT BOND < YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- YDROGEN EQUAL ELECTRO- MOLECULE

47 NON-POLAR COVLENT BOND > YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- YDROGEN EQUAL ELECTRO- MOLECULE

48 NON-POLAR COVLENT BOND = S YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- YDROGEN EQUAL ELECTRO- MOLECULE

49 NON-POLAR COVLENT BOND N YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- EQUAL E- SARING

50 NON-POLAR COVLENT BOND S YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- NON-POLAR BOND

51 NON-POLAR COVLENT BOND S YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- IG E- SARING

52 NON-POLAR COVLENT BOND > YDROGEN MOLECULE 1ST ATOM 2ND ATOM BOND ELECTRO- = 2.1 ELECTRO- = 2.1 = E- STRONG COVALENT BOND

53 CEMICAL BONDS ^ NON-POLAR C.B. STRONGER 6 P TAN NUCLEUS POLAR C.B. CEMICAL BONDS

54 P POLAR COVALENT BOND

55 POLAR COVALENT BOND

56 POLAR COVALENT BOND EG ATOMS UNEQUALLY SARE 6 P NUCLEUS VALENCE E- POLAR COVALENT BOND

57 WM POLAR COVALENT BOND EXAMPLE WATER MOLECULE

58 POLAR COVLENT BOND D E- OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND = E-

59 POLAR COVLENT BOND OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- O & DIFF ELECTRO-

60 POLAR COVLENT BOND O OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- O & DIFF ELECTRO-

61 POLAR COVLENT BOND U OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- O & DIFF ELECTRO-

62 POLAR COVLENT BOND? O OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- UNEQUAL E- SARING

63 POLAR COVLENT BOND? CARGE - OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- UNEQUAL E- SARING

64 POLAR COVLENT BOND -? CARGE? OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 ELECTRO- = 2.1 ELECTRO- = 2.1 = E- UNEQUAL E- SARING

65 POLAR COVLENT BOND -? CARGE + OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 = E-? CARGE ELECTRO- = 2.1 ELECTRO- = 2.1 UNEQUAL E- SARING

66 POLAR COVLENT BOND -? CARGE P OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 = E- +? CARGE ELECTRO- = 2.1 ELECTRO- = 2.1 UNEQUAL E- SARING

67 POLAR COVLENT BOND -? CARGE MS OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 = E- +? CARGE ELECTRO- = 2.1 ELECTRO- = 2.1 POLAR BOND

68 POLAR COVLENT BOND -? CARGE W OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 = E- +? CARGE ELECTRO- = 2.1 ELECTRO- = 2.1 MODERATE E- SARING

69 POLAR COVLENT BOND -? CARGE > OXYGEN IGER ELECTRO- O WATER MOLECULE YDROGEN LOWER ELECTRO- BOND BOND ELECTRO- = 3.5 = E- +? CARGE ELECTRO- = 2.1 ELECTRO- = 2.1 WEAK COVALENT BOND

70 CEMICAL BONDS > POLAR C.B. WEAKER 6 P TAN NUCLEUS NON-POLAR C.B. CEMICAL BONDS

71 CEMICAL BONDS ^ COVALENT BONDS STRONGER 6 P TAN NUCLEUS IONIC BONDS CEMICAL BONDS

72 IONIC BONDS ^

73 ION I

74 ION

75 ION ^ CARGED 6 P ATOM NUCLEUS ION

76 CATION VS ANION C

77 CATION

78 CATION > POSITIVE CARGED 6 P NUCLEUS ION CATION

79 L ATOM 6 P NUCLEUS LOW ELECTRO-NEGATIVITY = E-

80 ATOM 6 P NUCLEUS = E- LOSES E-

81 ? ATOM 6 P NUCLEUS = E- LOSES E-

82 + ATOM 6 P NUCLEUS = E- IMPARTS? CARGE

83 ATOM! C 6 P NUCLEUS = E- + CARGE

84 CATION ^ A 6 P NUCLEUS = E- + CARGE

85 ANION

86 ANION > NEGATIVE CARGED 6 P NUCLEUS ION ANION

87 G ATOM 6 P NUCLEUS IG ELECTRO-NEGATIVITY = E-

88 ATOM 6 P NUCLEUS = E- GAINS E-

89 ? ATOM 6 P NUCLEUS = E- GAINS E-

90 - ATOM 6 P NUCLEUS = E- IMPARTS? CARGE

91 ATOM! A 6 P NUCLEUS = E- - CARGE

92 ^ ANION 6 P NUCLEUS = E- - CARGE

93 IONIC BOND I

94 IONIC BOND

95 IONIC BOND EG E- TRANSFER FROM 6 P NUCLEUS CATION ANION IONIC BOND

96 + IONIC BOND EXAMPLE SODIUM CLORIDE

97 IONIC BOND NaCl Na IONIC BOND Cl SODIUM CLORIDE = E-

98 IONIC BOND NaCl = TABLE SALT S E- Na IONIC BOND Cl SODIUM CLORIDE = E-

99 IONIC BOND NaCl = TABLE SALT C E- Na IONIC BOND Cl E- NEG = 0.9 SODIUM CLORIDE = E-

100 IONIC BOND NaCl = TABLE SALT S L Na IONIC BOND Cl E- NEG = 0.9 E- NEG = 3.0 SODIUM CLORIDE = E-

Atoms with a complete outer shell do not react with other atoms. The outer shell is called the valence shell. Its electrons are valence electrons.

Atoms with a complete outer shell do not react with other atoms. The outer shell is called the valence shell. Its electrons are valence electrons. Bonding and the Outer Shell Use this table for reference: http://www.dreamwv.com/primer/page/s_pertab.html Atoms with incomplete shells react with others in a way that allows it to complete the outer shell.

More information

Atoms, molecules, bonding, periodic table

Atoms, molecules, bonding, periodic table Atoms, molecules, bonding, periodic table Atoms Modern Atom Model Nucleus-Protons and Neutrons Electrons around nucleus, never know the true location Protons Positively charged In nucleus Neutrons Neutral

More information

4/6/2015. Formed between metals and non-metals Opposite sides of the periodic table CHEMICAL BOND IONIC VS. COVALENT BONDS CHEMICAL BONDING BOND TYPES

4/6/2015. Formed between metals and non-metals Opposite sides of the periodic table CHEMICAL BOND IONIC VS. COVALENT BONDS CHEMICAL BONDING BOND TYPES CEMICAL BOND CEMICAL BONDING BOND TYPES IONIC VS. COVALENT BONDS Ionic Bond bonding between a metal (cation) & a non metal (anion) that involves the transfer of electrons from cation to anion (forms compounds)

More information

MATTER AND ITS PROPERTIES

MATTER AND ITS PROPERTIES FINAL REVIEW MATTER AND ITS PROPERTIES VIDEO ATOM Smallest unit of an element that maintains the chemical identity of that element. ELEMENT A pure substance that cannot be broken down into simpler, stable

More information

Chemical Bonds. A chemical bond is the force of attraction holding atoms together due to the transfer or sharing of valence electrons between them.

Chemical Bonds. A chemical bond is the force of attraction holding atoms together due to the transfer or sharing of valence electrons between them. Chemical Bonds A chemical bond is the force of attraction holding atoms together due to the transfer or sharing of valence electrons between them. Atoms will either gain, lose or share electrons in order

More information

Chapter. Basic Food Chemistry: The Nature of Matter. Images shutterstock.com

Chapter. Basic Food Chemistry: The Nature of Matter. Images shutterstock.com Chapter 4 Basic Food Chemistry: The Nature of Matter Images shutterstock.com Objectives Describe the basic structure of atoms. Identify symbols on the periodic table commonly used in food science. Define

More information

Physical Science 1 Chapter 12 THE MODERN ATOM

Physical Science 1 Chapter 12 THE MODERN ATOM THE MODERN ATOM The modern model of the atom describes the electron cloud consisting of separate energy levels, each containing a fixed number of electrons. The energy levels increase in energy based on

More information

Covalent compounds. i.e. one type of atom only OR from different elements chemically combined to form a compound.

Covalent compounds. i.e. one type of atom only OR from different elements chemically combined to form a compound. CHEMICAL BONDING Covalent compounds Covalent bonds are formed by atoms sharing electrons to form molecules. This type of bond usually formed between two or more non-metallic elements. The molecules might

More information

SBI4U BIOCHEMISTRY. Atoms, Bonding & Molecular Polarity

SBI4U BIOCHEMISTRY. Atoms, Bonding & Molecular Polarity SBI4U BIOCHEMISTRY Atoms, Bonding & Molecular Polarity 6 types of atoms make up 99% of all living organisms Naturally Occurring Elements in the Human Body Element Symbol Atomic # % of human body weight

More information

Covalent Bonding H 2. Using Lewis-dot models, show how H2O molecules are covalently bonded in the box below.

Covalent Bonding H 2. Using Lewis-dot models, show how H2O molecules are covalently bonded in the box below. Covalent Bonding COVALENT BONDS occur when atoms electrons. When atoms combine through the sharing of electrons, are formed. What is a common example of a covalently bonded molecule? When hydrogen atoms

More information

What is this? Electrons: charge, mass? Atom. Negative charge(-), mass = 0. The basic unit of matter. Made of subatomic particles:

What is this? Electrons: charge, mass? Atom. Negative charge(-), mass = 0. The basic unit of matter. Made of subatomic particles: Chemical Bonds What is this? Atom The basic unit of matter. Electrons: charge, mass? Negative charge(-), mass = 0 Made of subatomic particles: Protons: charge, mass? Positive charge (+), mass = 1 Neutrons:

More information

Elements and Chemical Bonds. Chapter 11

Elements and Chemical Bonds. Chapter 11 Elements and Chemical Bonds Chapter 11 Essential Question How does understanding periodic trends allow us to predict properties of different elements? Vocabulary Ionic bond Covalent bond Compounds, Chemical

More information

Chemistry Objective. Warm-Up What do the following atoms have to do to become stable? a. barium b. nitrogen c. fluorine

Chemistry Objective. Warm-Up What do the following atoms have to do to become stable? a. barium b. nitrogen c. fluorine Chemistry Objective Students will: 1. describe how a covalent bond is formed. 2. describe properties of a covalently bonded substance. 3. describe the difference between a polar covalent and nonpolar covalent

More information

Chapter 6 Test. name. The Structure of Matter

Chapter 6 Test. name. The Structure of Matter Chapter 6 Test The Structure of Matter MULTIPLE CHOICE. Write the letter of the term or phrase that best completes each statement or best answers each question on the answer sheet provided. 1. A compound

More information

Elements and Isotopes. 2-1 The Nature of Matter

Elements and Isotopes. 2-1 The Nature of Matter Elements and Isotopes An element's mass number (atomic mass) is the total number of protons and neutrons. Isotopes are atoms of the same element with a different number of neutrons. Most atomic masses

More information

M7 Question 1 Higher

M7 Question 1 Higher M7 Question 1 Higher Explain why carbon dioxide is a compound by oxygen is an element Carbon dioxide contains two elements carbon and oxygen. Oxygen contains only one type of atom. M7 Question 2 Higher

More information

10. CHEMICAL BONDING

10. CHEMICAL BONDING CLASS-10 1. List the factors that determine the type of bond that will be formed between two atoms? A. The factors that determine the type of bond that will be formed between two atoms are (i) Number of

More information

There are two main requirements for atoms to form a covalent bond and make a molecule:

There are two main requirements for atoms to form a covalent bond and make a molecule: HOW ATOMS BOND TO EACH OTHER Covalent bonding Remember that a hydrogen atom has 1 proton and 1 electron and that the electron and the proton are attracted to each other. But if the atoms get close enough

More information

THE CHEMISTRY OF LIFE. The Nature of Matter

THE CHEMISTRY OF LIFE. The Nature of Matter THE CHEMISTRY OF LIFE The Nature of Matter What do all of These Pictures Have in Common? And last, but not least GEICO S Gecko! MATTER All matter is made up of different combinations of elements.

More information

Ø Draw the Bohr Diagrams for the following atoms: Sodium Potassium Rubidium

Ø Draw the Bohr Diagrams for the following atoms: Sodium Potassium Rubidium Chemistry 11 Atomic Theory V Name: Date: Block: 1. Atomic Radius 2. Ionization Energy 3. Electronegativity 4. Chemical Bonding Atomic Radius Periodic Trends Ø As we move across a period or down a chemical

More information

2-1 The Nature of Matter

2-1 The Nature of Matter 2-1 The Nature of Matter Small Atoms Placed side by side, 100 million atoms would make a row only about 1 centimeter long. contain subatomic particles Atoms What three subatomic particles make up atoms?

More information

Types of bonding: OVERVIEW

Types of bonding: OVERVIEW 1 of 43 Boardworks Ltd 2009 Types of bonding: OVERVIEW 2 of 43 Boardworks Ltd 2009 There are three types of bond that can occur between atoms: an ionic bond occurs between a metal and non-metal atom (e.g.

More information

Ionic and Covalent Bonds

Ionic and Covalent Bonds Chapter 6 Lecture Chapter 6 Ionic and Molecular Compounds 6.1 Ions: Transfer of Electrons Learning Goal Write the symbols for the simple ions of the representative elements. Fifth Edition Octet Rule An

More information

Chapter 4. The Structure of Matter How atoms form compounds

Chapter 4. The Structure of Matter How atoms form compounds Chapter 4 The Structure of Matter How atoms form compounds Compounds Formed when two or more elements combine Must make a chemical change New properties Atoms from the different elements form bonds Chemical

More information

Biotech 2: Atoms and Molecules OS Text Reading pp Electron cloud Atoms & Nucleus 2e Subatomic Particles Helium Electron cloud

Biotech 2: Atoms and Molecules OS Text Reading pp Electron cloud Atoms & Nucleus 2e Subatomic Particles Helium Electron cloud 9/4/017 Biotech : Atoms and Molecules OS Text Reading pp. 34-4 Atoms & Subatomic Particles Nucleus Helium e cloud cloud e Protons Neutrons Mass number = 4 s Nucleus Carbon atomic number = # of protons

More information

Section 6.1 Types of Chemical Bonding

Section 6.1 Types of Chemical Bonding Section 6.1 Types of Chemical Bonding Chemical bond: Chemical bond: Chemical bond: a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.

More information

Chemical Bonding Basic Concepts

Chemical Bonding Basic Concepts Chemical Bonding Basic Concepts Valence electrons are the outer shell electrons of an atom. The valence electrons are the electrons that particpate in chemical bonding. Group e - configuration # of valence

More information

Practice Test 1 Bio 103 Name

Practice Test 1 Bio 103 Name Practice Test 1 Bio 103 Name 1) An atom with an atomic number of 9 and a mass number of 19 would have an atomic mass of approximately? a) 10 Daltons b) 19 Daltons c) 9 grams d) 9 Daltons e) 20 grams 2)

More information

Unit 11 Bonding. Identifying the type of bonding involved in a molecule will allow us to predict certain general properties of a compound.

Unit 11 Bonding. Identifying the type of bonding involved in a molecule will allow us to predict certain general properties of a compound. Unit 11 Bonding INTRODUCTION Within molecules, there are forces that hold atoms together These forces are called bonds There are different types of bonds, or more correctly, variations Identifying the

More information

Ionic Bonding Ionic bonding occurs when metals and nonmetals trade one or more electrons and the resulting opposite charges attract each other. Metals

Ionic Bonding Ionic bonding occurs when metals and nonmetals trade one or more electrons and the resulting opposite charges attract each other. Metals Chemical Bonding Now that we know what atoms look like A very small (less than 0.001% of the volume) and massive (more than 99.99% of the mass) nucleus with protons (+) and neutrons (neutral) and electrons

More information

3/30/2015. Third energy level. Second energy level. Energy absorbed. First energy level. Atomic nucleus. Energy released (as light)

3/30/2015. Third energy level. Second energy level. Energy absorbed. First energy level. Atomic nucleus. Energy released (as light) Chapter 2 An Introduction Chemistry Lecture 2: Energy Levels and Chemical Bonding Electrons are always moving Outside the nucleus in atomic orbitals Maybe usually Average distance from nucleus (size of

More information

4/4/2013. Covalent Bonds a bond that results in the sharing of electron pairs between two atoms.

4/4/2013. Covalent Bonds a bond that results in the sharing of electron pairs between two atoms. A chemical bond is a mutual electrical attraction between the nucleus and valence electrons of different atoms that binds the atoms together. Why bond? As independent particles, atoms have a high potential

More information

Ionic Bonds. H He: ... Li Be B C :N :O :F: :Ne:

Ionic Bonds. H He: ... Li Be B C :N :O :F: :Ne: Ionic Bonds Valence electrons - the electrons in the highest occupied energy level - always electrons in the s and p orbitals - maximum of 8 valence electrons - elements in the same group have the same

More information

Also see lattices on page 177 of text.

Also see lattices on page 177 of text. Chemistry Ch 6 sect 3 «F_Name» «L_Name» Period «Per» «num» 6-3-1 Compare and contrast a chemical formula for a molecular compound with one for an ionic compound. Bond: Attraction between 2 or more atoms

More information

Bonding of atoms makes molecules

Bonding of atoms makes molecules Atomic Bonding and Molecules Chapter 15 Bonding of atoms makes molecules The Formation of Ions and Ionic Bonds Types of bonds Metallic Bonds Covalent Bonds Polar Covalent Bonds Molecular Polarity and Molecular

More information

Compounds Bonded Elements Made up of two or more Types of atoms bonded together In a fixed ratio NEW SUBSTANCE Different Properties

Compounds Bonded Elements Made up of two or more Types of atoms bonded together In a fixed ratio NEW SUBSTANCE Different Properties Lecture 2 8/31/05 The Chemical Context of Life Atoms, Bonding, Molecules Before we start Website to get LECTURE NOTES http://www.uvm.edu/~dstratto/bcor011_handouts/ Questions from last time? Elements Pure

More information

Illuminate QUIZ on Molecules. Please do not write on this test, put your answers into illuminate.

Illuminate QUIZ on Molecules. Please do not write on this test, put your answers into illuminate. Illuminate QUIZ on Molecules. Please do not write on this test, put your answers into illuminate. True or False (bubble A for True and B for False for each of the following statements) 1 point each 1.

More information

What is reactivity based on? What do all elements want to be happy? Draw the Lewis Dot Structure for Sodium and Chlorine.

What is reactivity based on? What do all elements want to be happy? Draw the Lewis Dot Structure for Sodium and Chlorine. What is reactivity based on? What do all elements want to be happy? Draw the Lewis Dot Structure for Sodium and Chlorine. FORCES What is a chemical bond? The force that holds two atoms together Between

More information

Tuesday, September 15, Ionic Compounds

Tuesday, September 15, Ionic Compounds Ionic Compounds Compounds Compound: Two or more elements chemically combined. Ionic Compounds Called an ionic compound because it is made up of negative and positive ions that have resulted from the transfer

More information

Chapter6 Chemical Bonding فهد حمد آل سعيد مسعود شبير احمد

Chapter6 Chemical Bonding فهد حمد آل سعيد مسعود شبير احمد Chapter6 Chemical Bonding بالل عبدهللا الروزي فهد حمد آل سعيد مسعود شبير احمد Chemical Bonding Chemical bonds: are the attraction between atoms that hold compounds together. Chemical bonds divided by two

More information

Chemistry Senior Final Exam Review

Chemistry Senior Final Exam Review Name: Hour: Teacher: ROZEMA / CHEMISTRY Chemistry Senior Final Exam Review You will take your final exam on Tuesday May 29, 2018 (during 6 th Hour). Your final exam is a mixture of written and multiple

More information

CHEMICAL BONDING SUTHERLAND HIGH SCHOOL GRADE 10 PHYSICAL SCIENCE TB. 103 K. FALING EDITED: R. BASSON

CHEMICAL BONDING SUTHERLAND HIGH SCHOOL GRADE 10 PHYSICAL SCIENCE TB. 103 K. FALING EDITED: R. BASSON CHEMICAL BONDING SUTHERLAND HIGH SCHOOL K. FALING EDITED: R. BASSON GRADE 10 PHYSICAL SCIENCE TB. 103 HOW DOES BONDING WORK? The chemical reaction between elements leads to compounds, which have new physical

More information

Chapter 12. Chemical Bonding

Chapter 12. Chemical Bonding Chapter 12 Chemical Bonding Chapter 12 Introduction to Chemical Bonding Chemical Bonding Valence electrons are the electrons in the outer shell (highest energy level) of an atom. A chemical bond is a mutual

More information

Do atoms always have an equal number of protons, neutrons and electrons? 1. Yes. 2. No.

Do atoms always have an equal number of protons, neutrons and electrons? 1. Yes. 2. No. Self Quiz Do atoms always have an equal number of protons, neutrons and electrons? 1. Yes. 2. No. Do atoms always have an equal number of protons, neutrons and electrons? 1. Yes. 2. No. A chemical bond

More information

SNC2D CHEMISTRY 2/18/2013. CHEMICAL REACTIONS L Ionic & Molecular Compounds (P & ) Compounds. Compounds

SNC2D CHEMISTRY 2/18/2013. CHEMICAL REACTIONS L Ionic & Molecular Compounds (P & ) Compounds. Compounds SNC2D CHEMISTRY CHEMICAL REACTIONS L Ionic & (P.156-157 & 165-166) Compounds A compound is a pure substance made up of two or more elements, in which the elements are chemically combined. The connection

More information

General Chemistry. Lecture 3

General Chemistry. Lecture 3 General Chemistry Lecture 3 Electrons Protons and neutrons are found in the nucleus Electrons surround the nucleus in energy levels or shell at certain distances around the nucleus The number of electrons

More information

Chemical Bond An attraction between the nuclei and valence electrons of different atoms, which binds the atoms together

Chemical Bond An attraction between the nuclei and valence electrons of different atoms, which binds the atoms together Chemical Bond An attraction between the nuclei and valence electrons of different atoms, which binds the atoms together When atoms form chemical bonds their valence electrons move around. This makes atoms

More information

CHAPTER 12 CHEMICAL BONDING

CHAPTER 12 CHEMICAL BONDING CHAPTER 12 CHEMICAL BONDING Core electrons are found close to the nucleus, whereas valence electrons are found in the most distant s and p energy subshells. The valence electrons are responsible for holding

More information

Chemistry 101 Chapter 9 CHEMICAL BONDING. Chemical bonds are strong attractive force that exists between the atoms of a substance

Chemistry 101 Chapter 9 CHEMICAL BONDING. Chemical bonds are strong attractive force that exists between the atoms of a substance CHEMICAL BONDING Chemical bonds are strong attractive force that exists between the atoms of a substance Chemical Bonds are commonly classified into 3 types: 1. IONIC BONDING Ionic bonds usually form between

More information

Tuesday, September 22, Ionic Compounds

Tuesday, September 22, Ionic Compounds Ionic Compounds Compounds Compound: Two or more elements chemically combined. Ionic Compounds Called an ionic compound because it is made up of negative and positive ions that have resulted from the transfer

More information

How are atoms held together in a Covalent Bond?

How are atoms held together in a Covalent Bond? 4.3 Covalent Bonds Vocabulary: Covalent Bond - Molecule - Double bond Triple bond Molecular compound Nonpolar bond Polar bond - How are atoms held together in a Covalent Bond? The chemical bond formed

More information

Chemical Bonding. Introduction to Chemical Bonding Section 6.1

Chemical Bonding. Introduction to Chemical Bonding Section 6.1 Chemical Bonding Introduction to Chemical Bonding Section 6.1 Objectives 1. Define chemical bond. 2. Explain why most atoms form chemical bonds. 3. Describe ionic and covalent bonding. 4. Explain why most

More information

Chemical bonding & structure

Chemical bonding & structure Chemical bonding & structure Ionic bonding and structure Covalent bonding Covalent structures Intermolecular forces Metallic bonding Ms. Thompson - SL Chemistry Wooster High School Topic 4.1 Ionic bonding

More information

ExamLearn.ie. Chemical Bonding

ExamLearn.ie. Chemical Bonding ExamLearn.ie Chemical Bonding Chemical Bonding A molecule is a group of atoms joined together. It is the smallest particle of an element or compound that can exist independently. Eg: Molecule of water

More information

CHAPTER 3 Ionic Compounds. General, Organic, & Biological Chemistry Janice Gorzynski Smith

CHAPTER 3 Ionic Compounds. General, Organic, & Biological Chemistry Janice Gorzynski Smith CHAPTER 3 Ionic Compounds General, Organic, & Biological Chemistry Janice Gorzynski Smith CHAPTER 3: Ionic Compounds Learning Objectives: q Octet Rule & Predicting ionic Charges q Ionic Bonds q Formation

More information

REVIEW element compound atom Neutrons Protons Electrons atomic nucleus daltons atomic number mass number Atomic mass

REVIEW element compound atom Neutrons Protons Electrons atomic nucleus daltons atomic number mass number Atomic mass Domain 2: Matter REVIEW Matter is made up of elements An element is a substance that cannot be broken down to other substances by chemical reactions A compound is a substance consisting of two or more

More information

Quarter 1 Section 1.2

Quarter 1 Section 1.2 Quarter 1 Section 1.2 Opening Activity: Use your periodic table 1. How many protons are in an atom of Carbon? 2. How many electrons are in an atom of Carbon? 3. How many neutrons are in an atom of Carbon?

More information

Unit 3: Chemical Bonding. Section 1: Bond Types and Properties

Unit 3: Chemical Bonding. Section 1: Bond Types and Properties Unit 3: Chemical Bonding Section 1: Bond Types and Properties Chemical Bonds Chemical Bond force that holds atoms or ions together to make a molecule or other chemical structure Molecule - two or more

More information

7.4 Using the Bohr Theory

7.4 Using the Bohr Theory 7.4 Using the Bohr Theory BOHR DIAGRAMS Practice (worksheet) First shell: 2 electrons Second shell: 8 electrons Third shell: 8 electrons Fourth shell: 8 electrons Draw Bohr Diagrams for: hydrogen sodium

More information

Chemistry Review CHAPTER 2 IN TEXT

Chemistry Review CHAPTER 2 IN TEXT Chemistry Review CHAPTER 2 IN TEXT Chemistry of Life Living organisms and the world they live in are subject to the basic laws of physics and chemistry. Life can be organized into a hierarchy of structural

More information

Chapter 6 Chemical Bonding

Chapter 6 Chemical Bonding Chapter 6 Chemical Bonding Section 6-1 Introduction to Chemical Bonding Chemical Bonds Valence electrons are attracted to other atoms, and that determines the kind of chemical bonding that occurs between

More information

Li or Na Li or Be Ar or Kr Al or Si

Li or Na Li or Be Ar or Kr Al or Si Pre- AP Chemistry 11 Atomic Theory V Name: Date: Block: 1. Atomic Radius/Size 2. Ionization Energy 3. Electronegativity 4. Chemical Bonding Atomic Radius Effective Nuclear Charge (Z eff) Ø Net positive

More information

Indicate the answer choice that best completes the statement or answers the question.

Indicate the answer choice that best completes the statement or answers the question. Indicate the answer choice that best completes the statement or answers the question. 1. Which of the following bonds is polar? a. F F b. O H c. O O d. H H 2. In the compound, H 2 O, the electrons in the

More information

A. MOLECULE: B. CHEMICAL BOND:

A. MOLECULE: B. CHEMICAL BOND: What is a molecule? A. MOLECULE: a group of atoms bonded together 1. Molecules can be made of one kind of atom or many different kinds of atoms. Oxygen we breathe is an example of one kind of atom in a

More information

Chapter 9: Elements are the Building blocks of Life

Chapter 9: Elements are the Building blocks of Life Chapter 9: Elements are the Building blocks of Life Section 9.1- Elements and the Periodic Table Keep Scale in mind Animation: http://htwins.net/scale2/ I. ELEMENTS All matter is made up of one or more

More information

Chapter 7. Ionic & Covalent Bonds

Chapter 7. Ionic & Covalent Bonds Chapter 7 Ionic & Covalent Bonds Ionic Compounds Covalent Compounds 7.1 EN difference and bond character >1.7 = ionic 0.4 1.7 = polar covalent 1.7 Electrons not shared at

More information

Unit 3 Lesson 4 Ionic, Covalent, and Metallic Bonding. Copyright Houghton Mifflin Harcourt Publishing Company

Unit 3 Lesson 4 Ionic, Covalent, and Metallic Bonding. Copyright Houghton Mifflin Harcourt Publishing Company Opposites Attract What is an ion? An atom has a neutral charge because it has an equal number of electrons and protons. An ion is a particle with a positive or negative charge. An ion forms when an atom

More information

CHEMICAL BONDS How can atoms form a molecule? Let s watch the video: Bond types CHEMICAL BONDING Ionic bonding

CHEMICAL BONDS How can atoms form a molecule? Let s watch the video: Bond types CHEMICAL BONDING Ionic bonding CHEMICAL BONDS How can atoms form a molecule? Let s watch the video: Bond types http://www.kentchemistry.com/links/bonding/bondingflashes/bond_types.swf CHEMICAL BONDING In 1916, the American chemist Gilbert

More information

Ionic Compounds. Chapter 5.6

Ionic Compounds. Chapter 5.6 Ionic Compounds Chapter 5.6 Ionic Compounds Ionic compounds are made up by the chemical combination of metallic and non-metallic elements. Ionic Compounds Ionic compounds are made up by the chemical combination

More information

Why are electrons important?

Why are electrons important? Why are electrons important? Chemical bonding involves electrons in the outermost energy level (valence electrons). When chemical bonds are formed, atoms gain, lose or share electrons to have 8 electrons

More information

Unit 3 - Chemical Bonding and Molecular Structure

Unit 3 - Chemical Bonding and Molecular Structure Unit 3 - Chemical Bonding and Molecular Structure Chemical bond - A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together 6-1 Introduction

More information

Types of Bonding : Ionic Compounds. Types of Bonding : Ionic Compounds

Types of Bonding : Ionic Compounds. Types of Bonding : Ionic Compounds Types of Bonding : Ionic Compounds Ionic bonding involves the complete TRANSFER of electrons from one atom to another. Usually observed when a metal bonds to a nonmetal. - - - - - - + + + + + + + + + +

More information

Chapter #3 Chemical Bonding

Chapter #3 Chemical Bonding Chapter #3 Chemical Bonding Valence Electrons electrons in the last energy level of an atom. Lewis dot symbols Consists of the symbol of an element and one dot for each valence electron in the atom of

More information

Ionic Bond Proton. Cation Electron. Valence Electrons Atomic mass. Octet Rule Isotope

Ionic Bond Proton. Cation Electron. Valence Electrons Atomic mass. Octet Rule Isotope Atoms and Ions Test Study Guide Physical Science Ms. Rowlen 2017 Know these definitions. Atom Ionic Bond Proton Ion Neutron Cation Electron Anion Atomic number Valence Electrons Atomic mass Octet Rule

More information

Ch(3)Matter & Change. John Dalton

Ch(3)Matter & Change. John Dalton Ch(3)Matter & Change John Dalton What is Matter? Matter is anything that contains mass & volume (takes up space) Energy, such as light, heat, and sound, is NOT matter. The Particle Theory of Matter 1.

More information

Energetics of Bond Formation

Energetics of Bond Formation BONDING, Part 4 Energetics of Bond Formation 167 Energetics of Covalent Bond Formation 168 1 169 Trends in Bond Energies the more electrons two atoms share, the stronger the covalent bond C C (837 kj)

More information

Chapter 8: Concepts of Chemical Bonding

Chapter 8: Concepts of Chemical Bonding Chapter 8: Concepts of Chemical Bonding Learning Outcomes: Write Lewis symbols for atoms and ions. Define lattice energy and be able to arrange compounds in order of increasing lattice energy based on

More information

2-1 Atoms consist of protons, neutrons, and electrons

2-1 Atoms consist of protons, neutrons, and electrons 2-1 Atoms consist of protons, neutrons, and electrons The smallest particle of matter that still retains the properties of an element is an atom Subatomic Particles An atom is made up of protons and neutrons

More information

Worksheet 5 - Chemical Bonding

Worksheet 5 - Chemical Bonding Worksheet 5 - Chemical Bonding The concept of electron configurations allowed chemists to explain why chemical molecules are formed from the elements. In 1916 the American chemist Gilbert Lewis proposed

More information

1. Ionic bonding - chemical bond resulting from the attraction of positive and negative ions

1. Ionic bonding - chemical bond resulting from the attraction of positive and negative ions Bonding Bonding can occur in 2 ways: 1. Electron transfer (ionic) 2. Electron sharing (covalent) 1. Ionic bonding - chemical bond resulting from the attraction of positive and negative ions Cation- positive

More information

ATOMIC BONDING Atomic Bonding

ATOMIC BONDING Atomic Bonding ATOMIC BONDING Atomic Bonding Primary Bonds Secondary Bonds Ionic Covalent Metallic van der Waals 1. IONIC BONDING q 11 Na & 17 Cl These two ions are attracted to eachother by the electrostatic force developed

More information

AP Biology. Why are we studying chemistry? Chapter 2. The Chemical Context of Life. The Basics. The World of Elements.

AP Biology. Why are we studying chemistry? Chapter 2. The Chemical Context of Life. The Basics. The World of Elements. Chapter 2. The Chemical Context of Life Why are we studying chemistry? Biology has chemistry at its foundation The Basics The World of Elements Everything is made of matter Matter is made of atoms Atoms

More information

Chapter 2: Chemistry & Life

Chapter 2: Chemistry & Life Chapter 2: Chemistry & Life 1. Atoms 2. Molecules 3. Water 1. Atoms A Generic Atom All Matter is made of Atoms Atoms are the smallest indivisible unit of matter 92 different types of atoms: ELEMENTS Atoms

More information

Chapter 2: Chemistry & Life. 1. Atoms. 2. Molecules. 3. Water. 1. Atoms. A Generic Atom

Chapter 2: Chemistry & Life. 1. Atoms. 2. Molecules. 3. Water. 1. Atoms. A Generic Atom Chapter 2: Chemistry & Life 1. Atoms 2. Molecules 3. Water 1. Atoms A Generic Atom 1 All Matter is made of Atoms Atoms are the smallest indivisible unit of matter 92 different types of atoms: ELEMENTS

More information

Ch 9 Liquids & Solids (IMF) Masterson & Hurley

Ch 9 Liquids & Solids (IMF) Masterson & Hurley Ch 9 Liquids & Solids (IMF) Masterson & Hurley Intra- and Intermolecular AP Questions: 2005 Q. 7, 2005 (Form B) Q. 8, 2006 Q. 6, 2007 Q. 2 (d) and (c), Periodic Trends AP Questions: 2001 Q. 8, 2002 Q.

More information

Bonding Review Questions

Bonding Review Questions Name: Date: 1. As an Na atom forms an Na 2+ ion, the number of protons in its nucleus 4. Atoms of which of the following elements have the strongest attraction for electrons? A. decreases B. increases

More information

Chapter 6 Chemical Bonding

Chapter 6 Chemical Bonding Chapter 6 Chemical Bonding Section 6.1: Introduction to Chemical Bonding Things That You Should Know What is a chemical bond? Why do atoms form chemical bonds? What is the difference between ionic and

More information

Electron Configuration in Ionic Bonding Ionic Bonds Bonding in Metals

Electron Configuration in Ionic Bonding Ionic Bonds Bonding in Metals Electron Configuration in Ionic Bonding Ionic Bonds Bonding in Metals Valence Electrons Electrons in the highest occupied energy level of an element s atoms Examples Mg: 1s 2 2s 2 2p 6 3s 2 2 valence e

More information

Chapter 2 Notes The Chemistry of Life

Chapter 2 Notes The Chemistry of Life Name: Chapter 2 Notes The Chemistry of Life Section 2-1 The Nature of Matter Date: Atoms (p. 35) The study of chemistry begins with the basic unit of matter, the. Comes from the Greek word atomos, meaning

More information

The Chemical Context of Life

The Chemical Context of Life Elements and Compounds The Chemical Context of Life Sodium Chlorine! Sodium chloride! An element is a substance that cannot be broken down to other substances by chemical reactions A compound is a substance

More information

Chapter 8 The Concept of the Chemical Bond

Chapter 8 The Concept of the Chemical Bond Chapter 8 The Concept of the Chemical Bond Three basic types of bonds: Ionic - Electrostatic attraction between ions (NaCl) Metallic - Metal atoms bonded to each other Covalent - Sharing of electrons Ionic

More information

Atoms to Minerals CH 5.1

Atoms to Minerals CH 5.1 Atoms to Minerals CH 5.1 Objectives Identify the characteristics of matter Compare the particles that make up atoms of elements Describe the three types of chemical bonds Identify the characteristics of

More information

Electrons responsible for the chemical properties of atoms Electrons in the outer energy level Valence electrons are the s and p electrons in the

Electrons responsible for the chemical properties of atoms Electrons in the outer energy level Valence electrons are the s and p electrons in the Electrons responsible for the chemical properties of atoms Electrons in the outer energy level Valence electrons are the s and p electrons in the outermost, or highest energy level The number of Valence

More information

For the following intermolecular forces:

For the following intermolecular forces: Lecturenotes 1 unit6_review_exercise_2017.odt Lecturenotes 2 unit6_review_exercise_2017.odt Lecturenotes 3 unit6_review_exercise_2017.odt Lecturenotes 4 unit6_review_exercise_2017.odt Answers: 1. Ionic

More information

How do Elements Combine to Form Compounds?

How do Elements Combine to Form Compounds? How do Elements Combine to Form Compounds? ACTIVITY What is it made of? Compounds account for the huge variety of matter on Earth All the compounds that exist on Earth are built from elements 118 elements

More information

ELEMENTS, COMPOUNDS AND MIXTURES AND HOW THEY ARE REPRESENTED

ELEMENTS, COMPOUNDS AND MIXTURES AND HOW THEY ARE REPRESENTED ELEMENTS, COMPOUNDS AND MIXTURES AND HOW THEY ARE REPRESENTED 8.5D recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas

More information

Unit 1 Review: Matter and Chemical Bonding

Unit 1 Review: Matter and Chemical Bonding Unit 1 Review: Matter and Chemical Bonding 1. Do you think DHMO should be banned? Justify your answer. Write the formula for dihydrogen monoxide. H 2 O 2. Name these groups on the periodic table: 1, 2,

More information

Covalent Bonding. In nature, only the noble gas elements exist as uncombined atoms. All other elements need to lose or gain electrons

Covalent Bonding. In nature, only the noble gas elements exist as uncombined atoms. All other elements need to lose or gain electrons In nature, only the noble gas elements exist as uncombined atoms. They are monatomic - consist of single atoms. All other elements need to lose or gain electrons To form ionic compounds Some elements share

More information

Chapter 8: Bonding. Section 8.1: Lewis Dot Symbols

Chapter 8: Bonding. Section 8.1: Lewis Dot Symbols Chapter 8: Bonding Section 8.1: Lewis Dot Symbols The Lewis electron dot symbol is named after Gilbert Lewis. In the Lewis dot symbol, the element symbol represents the nucleus and the inner electrons.

More information

IONIC AND COVALENT BONDS REVIEWED REDEFINING THE COVALENT BONDS. R. Ashby Duplication by permission only.

IONIC AND COVALENT BONDS REVIEWED REDEFINING THE COVALENT BONDS. R. Ashby Duplication by permission only. CH 11 TOPIC 23 PREDICTING BOND TYPES & POLARITY 1 You have mastered this topic when you can: 1) define IONIC, COVALENT and POLAR COVALENT BONDS. 2) use ELECTRONEGATIVITY values to predict the type of bond

More information