CAREER POINT. PRE FOUNDATON DIVISION FACULTY SELECTION TEST CHEMISTRY [Time : 2 Hr.] [Max. Marks : 60]

CHEMISTRY. SCIENCE Paper 2. (Two hours) You will not be allowed to write during the first 15 minutes.

CLASS IX CHEMISTRY SCIENCE Paper 2 (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent

Part A Unit-based exercise

Topic 2 Microscopic World I / Microscopic World (Combined Science) Part A Unit-based exercise Unit 5 Atomic structure Fill in the blanks 1 atoms 2 solids; liquids; gases 3 metals; metalloids; non-metals

ICSE Chemistry Board Paper 2016

2015 Time: 2 hours; Max. Marks: 80 General Instructions: Answers to this Paper must be written on the paper provided separately. You will not be allowed 10 write during the first 15 minutes. This time

YEAR 10- Chemistry Term 1 plan

YEAR 10- Chemistry Term 1 plan 2016-2017 Week Topic Learning outcomes 1 1. The particulate nature of matter State the distinguishing properties of solids, liquids and gases. Describe the structure of solids,

Channa Asela

Reproducing the following contents by amending or deleting the author s name and contact numbers is prohibited. You may email or print without any amendment. Underline the most suitable answer 1995-I-2

85 Q.1 A substance X melts at 1600 o C. Its does not conduct electricity in the solid or in the molten state. X probably has

Element and atomic structure / Section 1 / Sect1pp.doc / S. W. Tse / P.1 85 Q.1 A substance X melts at 1600 o C. Its does not conduct electricity in the solid or in the molten state. X probably has A.

Year 10 Science Chemistry Examination November 2011 Part A Multiple Choice

Year 10 Science Chemistry Examination November 2011 Part A Multiple Choice Answer these questions on the multiple choice answer sheet provided 2 Isotopes have been found as variations of atoms. Which of

2. Which of the following salts form coloured solutions when dissolved in water? I. Atomic radius II. Melting point III.

1. Which pair of elements reacts most readily? A. Li + Br 2 B. Li + Cl 2 C. K + Br 2 D. K + Cl 2 2. Which of the following salts form coloured solutions when dissolved in water? I. ScCl 3 II. FeCl 3 III.

Test Review # 4. Chemistry: Form TR4-5A 6 S S S

Chemistry: Form TR4-5A REVIEW Name Date Period Test Review # 4 Development of the Periodic Table. Dmitri Mendeleev (1869) prepared a card for each of the known elements listing the symbol, the atomic mass,

they are good conductor of heat and electricity. they are bad conductor of heat and electricityexcept graphit which is goodconductor.

, c,kd UMetals they have less than (4) electrons in the outermost energy level They are solids except mercury( Hg) which is liquid. They have metalic luster they are malleable and ductile they are good

Angel International SchoolManipay

Grade OL Angel International SchoolManipay 2 nd Term Examination March, 2016 Chemistry Duration: 3 Hours 1. Which property is common to calcium, potassium and sodium? a) Their atoms all lose two electrons

Exam Review Questions - Multiple Choice

Exam Review Questions - Multiple Choice The following questions are for review. They are in no particular order. 1. An atom of iron 56 26Fe has... a) 26 protons, 26 electrons, 30 neutrons b) 30 protons,

Year 10 Chemistry Exam June 2011 Multiple Choice. Section A Multiple Choice

Year 10 Chemistry Exam June 2011 Multiple Choice Section A Multiple Choice 1 An aqueous solution is obtained when: a. a substance dissolves in any liquid b. a substance is dissolved in water c. when a

FORM 4 CHEMISTRY - SUMMER REVISION WORK

Form 3 Syllabus: FORM 4 CHEMISTRY - SUMMER REVISION WORK Chapter 1: STATES OF MATTER Converting between the 3 states of matter Application of kinetic theory to changes of state Diffusion Physical and chemical

Lesson 1: Stability and Energy in Bonding Introduction

Lesson 1: Stability and Energy in Bonding Introduction Chemical bonding is the simultaneous attraction of two positive nuclei to negative electrons. Chemical bonding is said to be the glue that holds particles

1. Dimensional Analysis: convert the following values a. 47,340 cm to m Unit 1: Chemistry Matters b. 40.64 km to m c. 58,700 ml to L 2. Calculate the number of significant figures a. 0.0210 b. 3.6056 c.

Chapter 6: Chemical Bonding

Chapter 6: Chemical Bonding Learning Objectives Describe the formation of ions by electron loss/gain to obtain the electronic configuration of a noble gas. Describe the formation of ionic bonds between

SEKHUKHUNE DISTRICT. PHYSICAL SCIENCES PRE JUNE PAPER 2 GRADE 10 DATE 2016 MARKS 150 DURATION: 2Hrs

SEKHUKHUNE DISTRICT PHYSICAL SCIENCES PRE JUNE PAPER 2 GRADE 10 DATE 2016 MARKS 150 DURATION: 2Hrs QUESTION 1 (MULTIPLE CHOICE QUESTIONS)Four possible options are provided as answers to the following questions.

Bonding Practice Problems

NAME 1. When compared to H 2 S, H 2 O has a higher 8. Given the Lewis electron-dot diagram: boiling point because H 2 O contains stronger metallic bonds covalent bonds ionic bonds hydrogen bonds 2. Which

Chapter 2: Atoms and the Periodic Table

1. Which element is a nonmetal? A) K B) Co C) Br D) Al Ans: C Difficulty: Easy 2. Which element is a metal? A) Li B) Si C) Cl D) Ar E) More than one of the elements above are metals. 3. Which element is

Mid-Term Review (HERBERHOLZ - Honors Chemistry) Chapter 2: 1. How many significant digits are in the following numbers?

Name Hour Mid-Term Review 2017-2018 (HERBERHOLZ - Honors Chemistry) Chapter 2: 1. How many significant digits are in the following numbers? a. 417.0 b. 0.0005 c. 500 000 d. 0.30034 e. 3.970 x 10 5 f. 200.10

THE ST. MICHAEL SCHOOL THIRD FORM CHEMISTRY MANUAL 3 SYMBOLS AND FORMULAE, CHEMICAL BONDING AND CHEMICAL EQUATIONS

1 THE ST. MICHAEL SCHOOL THIRD FORM CHEMISTRY MANUAL 3 SYMBOLS AND FORMULAE, CHEMICAL BONDING AND CHEMICAL EQUATIONS COMPILED BY G.WALKER, L.WORRELL, T. HARDING REFERENCE BOOKS Anne Tindale Chemistry A

STRUCTURE AND BONDING

NAME SCHOOL INDEX NUMBER DATE 1. 1989 Q 6 STRUCTURE AND BONDING The table below gives the distance between atoms (bond lengths) in halogen molecules and the energies required to break the bonds (bond energies)

F321: Atoms, Bonds and Groups Structure & Bonding

F321: Atoms, Bonds and Groups Structure & Bonding 1. This question is about different models of bonding and molecular shapes. Magnesium sulfide shows ionic bonding. What is meant by the term ionic bonding?

1. The arrangement of the elements from left to right in Period 4 on the Periodic Table is based on

1. The arrangement of the elements from left to right in Period 4 on the Periodic Table is based on A) atomic mass B) atomic number C) the number of electron shells D) the number of oxidation states 2.

Edexcel Chemistry Checklist

Topic 1. Key concepts in chemistry Video: Developing the atomic model Describe how and why the atomic model has changed over time. Describe the difference between the plum-pudding model of the atom and

Unit 5 Chemical Reactions Notes. Introduction: Chemical substances have physical and chemical properties

Unit 5 Chemical Reactions Notes Introduction: Chemical substances have physical and chemical properties Physical Properties 2 Types of Physical Properties Extensive Physical Properties Intensive Physical

Periodic Table Practice 11/29

Periodic Table Practice 11/29 1. The arrangement of the elements from left to right in Period 4 on the Periodic Table is based on A) atomic mass B) atomic number C) the number of electron shells D) the

ICSE Board Class IX Chemistry Paper 3 Solution

ICSE Board Class IX Chemistry Paper 3 Solution SECTION I Answer 1 i. The number of electrons, that atom can lose, gain or share during a chemical reaction is called its valency. ii. Solute: A solute is

(i) an element which is gaseous at room temperature and pressure ... [1] (ii) an element which forms an oxide that is a reactant in photosynthesis

1 (a) For each of the following, give the name of an element from Period 2 (lithium to neon), which matches the description. Elements may be used once, more than once or not at all. (i) an element which

THE s- BLOCK ELEMENTS General electronic configuration- [ noble gas] ns 1-2

THE s- BLOCK ELEMENTS General electronic configuration- [ noble gas] ns 1-2 GROUP 1 ELEMENTS : ALKALI METALS General electronic configuration- [ noble gas] ns 1 Members- Li, Na, K, Rb, Cs, Fr Atomic and

CHEMISTRY SCIENCE Paper - 2

CHEMISTRY SCIENCE Paper - 2 (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in

Monday Night Final Review Fall 2004

CHEMISTRY 101 1 Monday Night Final Review Fall 2004 1. Which of the following boils at the highest temperature? (a) CH 4 (b) C 2 H 6 (c) C 3 H 8 (d) C 4 H 10 (e) C 5 H 12 2. What is the total ionic equation

Answer the following questions to the best of your ability. Make sure you read all questions carefully, and follow the instructions given

Chemistry Practice Test Name: Date: Answer the following questions to the best of your ability. Make sure you read all questions carefully, and follow the instructions given PART A: Multiple choice For

Review Chemistry Paper 1

Atomic Structure Topic Define an atom and element. Use scientific conventions to identify chemical symbols Identify elements by chemical symbols Define compound Use chemical formulae to show different

Questions Booklet. UNIT 1: Principles & Applications of Science I CHEMISTRY SECTION. Level 3 Applied Science. Name:.. Teacher:..

Level 3 Applied Science UNIT 1: Principles & Applications of Science I CHEMISTRY SECTION Questions Booklet Name:.. Teacher:.. Level 3 Applied Science 2017-2018 Unit 1 (Chemistry) 1 1. State the relative

Test 5: Periodic Table, Ionic, and Molecular Compounds

Name: - Grade/Group: Subject: Chemistry-7 Teacher: Mrs. Raj Date: Test 5: Periodic Table, Ionic, and Molecular Compounds Directions: Identify the letter of the choice that best completes the statement

MOSELEY and MODERN PERIODIC TABLE (designed by atomic numbers of elements)

MOSELEY and MODERN PERIODIC TABLE (designed by atomic numbers of elements) 1 PERIODS: Period number = Number of basic energy levels = The principal quantum number The horizontal lines in the periodic system

ICSE Board. Class X Chemistry. Board Paper Time: 1½ hrs Total Marks: 80

ICSE Board Class X Chemistry Board Paper 2013 Time: 1½ hrs Total Marks: 80 General Instructions: 1. Answers to this paper must be written on the paper provided separately. 2. You will NOT be allowed to

Nihal İKİZOĞLU. MOSELEY and MODERN PERIODIC TABLE (designed by atomic numbers of elements) kimyaakademi.com 1

MOSELEY and MODERN PERIODIC TABLE (designed by atomic numbers of elements) kimyaakademi.com 1 PERIODS: Period number = Number of basic energy levels = The principal quantum number The horizontal lines

Solid Type of solid Type of particle Al(s) aluminium MgCl2 Magnesium chloride S8(s) sulfur

QUESTION (2017:1) (iii) Sodium chloride, NaCl, is another compound that is excreted from the body in sweat. Use your knowledge of structure and bonding to explain the dissolving process of sodium chloride,

Questions 1 to 58 must be answered on the Scantron sheets.

Questions 1 to 58 must be answered on the Scantron sheets. Base your answers to questions 1 to 5 on the heating curve for a pure substance that is shown below. 1. The freezing point of the substance is

Lesson 1 PROPERTIES OF HYDROGEN

Lesson 1 PROPERTIES OF YDROGEN The English chemist enry Cavendish (1731-1810) first isolated pure hydrogen. Because the element produces water when burned in air, the French chemist Lavoisier gave it the

MARIYA INTERNATIONAL SCHOOL. Work sheet II. Term I. Level 8 Chemistry [Paper IV] Name: ATOMIC STRUCTURE & BONDING

MARIYA INTERNATIONAL SCHOOL Work sheet II Term I Level 8 Chemistry [Paper IV] Name: ATOMIC STRUCTURE & BONDING 1. Complete the following table. 2. Draw a diagram showing the arrangement of the valence

Describe how the inter-conversion of solids, liquids and gases are achieved and recall names used for these inter-conversions

Understand the arrangements, movements and energy of the particle in each of the 3 states of matter : solid, liquid and gas Describe how the inter-conversion of solids, liquids and gases are achieved and

substance, an element cannot be broken down any further. Each element has a different number of protons and unique set of properties.

Element - The purest form of a substance, an element cannot be broken down any further. Each element has a different number of protons and unique set of properties. Physical Properties - Descriptions unique

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

Periodicity Practice Test

SCH3U7 Periodicity Periodicity Periodicity Practice Test Version A 2. Which of the following statements are reasons that explain why transition metals are often good metal catalysts? I. they have multiple

Edexcel Chemistry A-level

Edexcel Chemistry A-level Topic 2 - Bonding and Structure Flashcards What are ions? What are ions? Charged particles that is formed when an atom loses or gains electrons What is the charge of the ion when

UNIT 5.1. Types of bonds

UNIT 5.1 Types of bonds REVIEW OF VALENCE ELECTRONS Valence electrons are electrons in the outmost shell (energy level). They are the electrons available for bonding. Group 1 (alkali metals) have 1 valence

Atomic Structure and the Periodic Table. AQA Chemistry topic 1

Atomic Structure and the Periodic Table AQA Chemistry topic 1 1.1 Atoms, elements and compounds The structure of the atom Everything in the universe is basically made up of atoms. An atom is the smallest

Mass number of isotope Number of neutrons Number of electrons. Element J K L M N P O Q Atomic

NAME SCHOOL INDEX NUMBER DATE STRUCTURE OF THE ATOM, PERIODIC TABLES AND CHEMICAL FAMILIES 1. 1989 Q1a (i) An element X has atomic number 3, relative atomic mass 6.94 and consist of two isotopes of mass

Multiple Choice. Multiple Choice

1. At what temperature in degree Celcius is the value in degree Fahrenheit twice of that in degree Celcius? A) 160 o C B) -24.6 o C C) 6.4 o C D) 22.2 o C E) 32 o C 2. The correct name for NaOCl is, A)

Bonding Mrs. Pugliese. Name March 02, 2011

Bonding Mrs. Pugliese Name March 02, 2011 1. Atoms of which element have the greatest tendency to gain electrons? 1. bromine 3. fluorine 2. chlorine 4. iodine 2. Which polyatomic ion contains the greatest

Chapter 7. Periodic Properties of the Elements

Chapter 7 Periodic Properties of the Elements periodic table the most significant tool that chemist use for organizing and remembering chemical facts 7.1 Development of the periodic table discovery of

States of matter

3.1.3.4 States of matter 261 minutes 257 marks Page 1 of 30 Q1. (a) Describe the bonding in a metal. Explain why magnesium has a higher melting point than sodium. (4) (b) Why do diamond and graphite both

C2.1 Structure and bonding

C2.1 Structure and bonding C2 1.1 Chemical bonding Key words: A compound contains two or more elements which are chemically combined Covalent bonding sharing electrons Ionic bonding transferring electrons

Science 9 Midterm Study Guide

Science 9 Midterm Study Guide Name 1. What are the atomic mass units for protons, neutrons, and electrons? 2. What is the atomic number? 3. What is the mass number? 4. What particles are in equal numbers

Test Review # 5. Chemistry: Form TR5-8A. Average Atomic Mass. Subatomic particles.

Chemistry: Form TR5-8A REVIEW Name Date Period Test Review # 5 Subatomic particles. Type of Particle Location Mass Relative Mass Charge Proton Center 1.67 10-27 kg 1 +1 Electron Outside 9.11 10-31 kg 0-1

The City School. Subject: Chemistry CIE Code: Curriculum Distribution Chart

The City School Curriculum Distribution Chart Class 9: September 2014 to May 2015 Subject: Chemistry CIE Code: 5070 Syllabus Content (As taken from the CIE 2015 syllabus) Topic Content Week Learning Outcomes

Science Class 9 th ATOMS AND MOLECULES. Symbols of Atoms of Different Elements. Atomic Mass. Molecules. Ions. Mole Concept. Finish Line & Beyond

Science Class 9 th ATOMS AND MOLECULES Symbols of Atoms of Different Elements Atomic Mass Molecules Ions Mole Concept Atom An atom is a particle of matter that uniquely defines a chemical element. An atom

Physical Science Study Guide

Name: Class: Date: Physical Science Study Guide Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Mendeleev arranged the known chemical elements in a table

Time Allowed: 1:45 hours

9 th LAHORE BOARD 2014 Group I 1) Explain double covalent bond with the help of an example. 2) How do atoms follow octet rule? 3) Explain polar covalent bond with an example. 4) Define pressure. Write

Chemical Bonds In elements and compounds, the atoms are held together by chemical bonds.

Chemical Bonds In elements and compounds, the atoms are held together by chemical bonds. Forming a bond makes an atom more stable, so atoms form as many bonds are they are able to. Bonds are made using

Chapter 7 Electron Configuration and the Periodic Table

Chapter 7 Electron Configuration and the Periodic Table Copyright McGraw-Hill 2009 1 7.1 Development of the Periodic Table 1864 - John Newlands - Law of Octaves- every 8 th element had similar properties

1) Based on the octet rule, magnesium most likely forms a ion. A) Mg- B) Mg6+ C) Mg2+ D) Mg6- E) Mg2-

1) ased on the octet rule, magnesium most likely forms a ion. ) Mg- ) Mg6+ ) Mg2+ ) Mg6- E) Mg2-2) ased on the octet rule, phosphorus most likely forms a ion. ) P5- ) P5+ ) P+ ) P3- E) P3+ 3) Which ion

Unit 3. Atoms and molecules

Unit 3. Atoms and molecules Index. s and compounds...2.. Dalton's Atomic theory...2 2.-The atom...2 3.-Atomic number and mass number...2 4.-Isotopes, atomic mass unit and atomic mass...3 5.- configuration...3

GENERAL CHEMISTRY I CHEM SYSTEM FINAL EXAM VERSION A Fall 2016

GENERAL CHEMISTRY I CHEM 1411 SYSTEM FINAL EXAM VERSION A Fall 2016 Departmental Final Exam General Chemistry I, CHEM 1411 Fall 2016 VERSION A Part I: 35 Multiple Choice (2 pts each). Directions: Select

Periodicity SL (answers) IB CHEMISTRY SL

(answers) IB CHEMISTRY SL Syllabus objectives 3.1 Periodic table Understandings: The periodic table is arranged into four blocks associated with the four sublevels s, p, d, and f. The periodic table consists

Practice Fall Final Exam (Chemistry 08-09)

Practice Fall Final Exam (Chemistry 08-09) 1. The name of SO 2-4 is a. sulfur tetraoxide b. sulfite c. sulfate d. monosulfur tetraoxide 2. The correct formula for hydrogen is a. H b. H 2 c. H 3 d. H +

AP CHEMISTRY THINGS TO KNOW

AP CHEMISTRY THINGS TO KNOW Diatomic Molecules H2-hydrogen gas (do not write H) N2-nitrogen gas (do no write N) O2-oxygen gas (do not write O) F2-fluorine gas (do not write F) Cl2-chlorine gas (do not

Answers for UNIT ONE NAT 5 Flash Cards

Answers for UNIT ONE NAT 5 Flash Cards 1. (a) rate increases (b) rate increases (c) rate increases (d) rate increases 2. Average rate = change in property / change in time Where property = concentration,

Development of the Periodic Table

Development of the Periodic Table John Newlands - Law of Octaves 1864 When arranged in order of atomic mass, every eighth element had similar properties. Dimitri Mendeleev / Lothar Meyer 1869 organized

Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

CHAPTER 4 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. A substance is a brittle crystal that conducts electricity in molten liquid state

REVISION CARDS. Chemistry C2. Modified 09/12/2015 (PB)

REVISION CARDS Chemistry C2 www.chemistryinfo.co.uk Modified 09/12/2015 (PB) INDEX 3 Periodic table 4 Structure of the atom 5 Relative Atomic Mass 6 Electron shells 7 Ions 8 Ionic compounds 9 Solubility

All you need to know about Additional Science

All you need to know about Additional Science Chapters in this unit 1. Structures and bonding 2. Structures and properties 3. How much? 4. Rates of reaction 5. Energy and reactions 6. Electrolysis 7. Acids,

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

General Chemistry Multiple Choice Questions Chapter 5

1 Which of the following possesses a polar covalent bond? a NaCl (s) b O 2 (g) c Al (s) d SO 2 (g) 5.1 2 Which is the most electronegative atom? a Cl b Se c Al d Ca 3 Which of the following molecules has

(c) More reactive. The larger the atom the easier it becomes to lose an electron. OR Reactivity increases on going down the group in group 2.

May 00 SEC Chemistry Paper IIA MARKING SCHEME. (a) L: 5 M: T: 8 (ii) The number of outer electrons indicates the group number. If answer refers to L(or one element only) award (b) Gas All group 8 elements

Additional Science Chemistry

Additional Science Chemistry C2 Core Questions and Keywords and Definitions Question How did Mendeleev arrange the elements known at the time into a periodic table? How did Mendeleev use his table? Where

mohd faisol mansor/chemistry form 4/chapter 5 CHAPTER 5 CHEMICAL BONDS

CHAPTER 5 CHEMICAL BONDS Almost all chemical substances exist as compounds in nature except inert gases and other stable element (such as gold and silver). Atom of other element that have less than eight

Advanced Chemistry Final Review

Advanced Chemistry Final Review 1. What are the products of complete combustion of hydrocarbons? Hydrocarbons are compounds made of carbon and oxygen. When they burn (combine with oxygen) they form carbon

PRACTICE EXAMINATION QUESTIONS FOR 1.1 ATOMIC STRUCTURE (includes some questions from 1.4 Periodicity)

PRACTICE EXAMINATION QUESTIONS FOR 1.1 ATOMIC STRUCTURE (includes some questions from 1.4 Periodicity) 1. At room temperature, both sodium metal and sodium chloride are crystalline solids which contain

Elements react to attain stable (doublet or octet) electronic configurations of the noble gases.

digitalteachers.co.ug Chemical bonding This chapter teaches the different types and names of bonds that exist in substances that keep their constituent particles together. We will understand how these

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

CHM 210 Chemistry Homework #3 Compounds and Their Bonds (Ch. 4) Due: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The octet rule indicates that

5. All isotopes of a given element must have the same (A) atomic mass (B) atomic number (C) mass number (D) number of neutrons

1. Which substance can be decomposed by a chemical change? (A) beryllium (B) boron (C) methanol (D) magnesium 2. The particles in a crystalline solid are arranged (A) randomly and far apart (B) randomly

UNIT 4: Bonding CHEMICAL BONDS

UNIT 4: Bonding CHEMICAL BONDS A. Definition: B. Bonds form from the attraction between 1., or 2.. C. REVIEW 1. What part of the atom is involved in bonding? 2. Atoms bond to. What makes an atom stable?!

Chem 101 Review. Fall 2012

Chem 101 Review Fall 2012 Elements, Atoms, Ions Elements in nature symbols Constant composition chemical formula Dalton s atomic theory Atomic structure what makes up the atom ions isotopes Periodic table

CHEMISTRY. SCIENCE Paper 2

CHEMISTRY SCIENCE Paper 2 (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading

CHEMISTRY ELEMENTS, COMPOUNDS & MIXTURES

CHEMISTRY ELEMENTS, COMPOUNDS & MIXTURES Lesson Intentions In this lesson we will classify substances as Elements, Compounds, Mixtures Key Words 1. Compounds 2. Mixtures 3. Elementary 4. Symbols 5. Reaction

AS LEVEL CHEMISTRY BONDING AND STRUCTURE PERIODICITY

AS LEVEL CHEMISTRY BONDING AND STRUCTURE PERIODICITY Answer all questions Max 90 marks Name.. Mark../90...% Grade Paddington Academy 1 1. Draw a dot-and-cross diagram for CaCl 2. [Total 2 marks] 2. Magnesium

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,

T2-1P1 [187 marks] [1 mark] How many protons, neutrons and electrons are present in each atom of 31 P? [1 mark]

T2-1P1 [187 marks] 1. How many protons, neutrons and electrons are present in each atom of 31 P? 2. What is the atomic number of a neutral atom which has 51 neutrons and 40 electrons? A. 40 B. 51 C. 91

Atoms And The Periodic Table

Tick one box to choose the correct answer 1) What elements are found in the compound water (H 2 O)? Hydrogen and oxygen Helium and oxygen Hydrogen and nitrogen 2) Which of the following is a metal element?

ICSE Board Class X Chemistry Board Paper Time: 1½ hrs Total Marks: 80

ICSE Board Class X Chemistry Board Paper 2011 Time: 1½ hrs Total Marks: 80 General Instructions: 1. Answers to this paper must be written on the paper provided separately. 2. You will NOT be allowed to

Summary Term 2 Chemistry STPM Prepared by Crystal Goh AI Tuition Centre

Summary Term Chemistry STPM Prepared by Crystal Goh AI Tuition Centre 017713136 Period 3 elements property Na Mg Al Si P (P 4 ) Type of element Metal Metalloid Non-metal Structure Giant metallic lattice

Bullers Wood School. Chemistry Department. Transition to A Level Chemistry Workbook. June 2018

Bullers Wood School Chemistry Department Transition to A Level Chemistry Workbook June 2018 This booklet contains questions for you to work through and answer over the summer to prepare for the A level

A covalent bond is a shared pair of electrons between atoms of two non-metal elements.

Bonding, Structure and properties Atoms can be held together by chemical bonds. When atoms form bonds, they can achieve a stable electron arrangement (full outer electron shell). To achieve a stable electron

Answers and Marking Scheme. Chemistry. Chemical Earth + Metals

Answers and Marking Scheme Chemistry Chemical Earth + Metals Theory Test 2005 Part A 15 marks Attempt Questions 1 15 Allow about 20 minutes for this part Answer Box for Questions 1 15 1 A B C D 2 A B C

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