Answer the following questions to the best of your ability. Make sure you read all questions carefully, and follow the instructions given
|
|
- Giles Morgan
- 6 years ago
- Views:
Transcription
1 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 each of the following, circle the answer that is the MOST correct. 1. In what proportion are the atoms in C 2 H 6? a) 1:1 b) 1:3 c) 1:4 d) cannot tell from the formula 2. An element which has a shiny lustre, is bendable, and is a good conductor of heat and electricity can be classified as: a) metal b) non-metal c) noble gas d) metalloid 3. Which of the following is a non-metal? a) P b) Ca c) Ag d) Mn 4. Which of the following formulas represent the most atoms? a) Fe 2 O 3 b) Na 2 Cr 2 O 7 c) CuCrO 4 d) NH 4 NO 3 5. Which of the following is not a chemical change? a) natural gas burns b) dynamite explodes c) silver tarnishes d) dissolving salt 6. A precipitate: a) is a solution created when two materials are mixed b) is a reaction that gives off heat c) forms when light is given off during a chemical reaction d) is a solid produced when chemicals dissolved in water react 7.An oxygen atom gains two electrons to become an ion. The oxygen ion is which of the following? a) a cation b) an anion c) a charged ion d) a valence ion
2 8. A molecular compound is formed from: a) two metals b) two non-metals c) a metal and a non-metal d) two semi-metals 9. The alkaline earth metals would be expected to have an ionic charge of: a) +2 b) -2 c) +1 d) If calcium has a valence of two and fluorine has a valence of one, the formula for calcium fluoride is given by: a) CaFl 2 b) CaF 2 c) Ca 2 F 2 d) Ca 2 F 11. What do you call a group of atoms that tend to stay together and carry an ionic charge? a) atomic ions b) polyatomic ions c) -ate ions d) ionic group 12. What type of reaction is occurring in the following equation? Sn + 2 Cl > SnCl 4 a) synthesis b) decomposition c) single displacement d) double displacement 13. What type of reaction is represented by the following equation? 2Al(NO 3 ) 3 (aq) + 3Cu (s) ----> 3Cu(NO 3 ) 2 (aq) + 2Al (s) a) synthesis b) decomposition c) single displacement d) double displacement 14. When a chemist tests an unknown substance with blue litmus paper, the paper turns red in colour. The chemist concludes that the substance: a) is rich in molecules b) has a ph less than 7 c) is a base d) is pure water 15. What type of reaction occurs when acids react with bases? a) single displacement reaction b) decomposition reaction c) neutralization reaction d) synthesis reaction
3 16. Which of the following is a property of a base? a) sour taste b) tastes bitter c) turns blue litmus paper red d) ph is less than Which statement is correct? a) ph 8.2 is 30 times more acidic than ph 11.2 b) ph 11.2 is times more basic than ph 8.2 c) ph 8.2 is 1000 times more acidic than ph 11.2 d) ph 11.2 is 30 times more basic that ph Which is NOT an alkali metal? a) Na b) K c) Fr d) Ra 20. A halogen includes: a) Ne b) P c) I d) Si Part B: Short Answer 1. Explain the difference between ionic and molecular compounds. 2. Fill in the chart for each of the following elements/ions Element/Ion Atomic # 24 Mg 12 Mass # Charge Protons Neutrons Electrons S 2- Be 2+
4 3. Name the following compounds. Check the valence charges carefully for the transition metals. a) FeO b) Ba 3 P 2 c) Mn 2 O 3 d) H 3 PO 4 (aq) e) CBr 4 4. Write the formulas for the following compounds. a) magnesium oxide b) sulphur trioxide c) copper (II) sulphide d) calcium carbonate e) dinitrogen trisulfide 5. In an experiment, 47g of magnesium react with 82g of hydrogen chloride to produce a gas and 75g of another substance. a) Is it possible for these results to comply with the Law of Conservation of mass? (yes/no) b) Explain your answer to part a) c) What gas is produced?
5 d) How much of the gas is produced? e) How could you test for this gas? f) Write a balanced chemical equation for this reaction. 6. For each of the following word equations, write the skeleton AND balanced chemical equation. Indicate the type of reaction underneath the balanced equation. a. Copper (II) sulphide and sodium carbonate yield sodium sulphide and copper (II) carbonate. Skeleton Equation: Balanced Equation: Type of Reaction: b. Aluminum hydroxide and hydrochloric acid yield aqueous aluminum chloride and water. Skeleton Equation: Balanced Equation: Type of Reaction:
6 7. List three properties of acids and three properties of bases. 8. Complete and balance the following neutralization reactions a. KOH (aq) + HClO 3(aq)! b. Mg(OH) 2(aq) + H 2 SO 4(aq)! 9. Suppose that 5 drops of KOH (aq) neutralized 5 drops of a certain HBr (aq) solution. How many drops of the NaOH solution would be needed to neutralize 5 drops of an H 3 PO 4 (aq) solution having the same concentration as the HCl solution?
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
More informationSNC2D Chemistry Review
SNC2D Chemistry Review 1. For each of the following elements: (a) Draw the Bohr-Rutherford diagram for the neutral atom (b) Determine the charge of the ion each element forms (c) Draw the Lewis dot diagram
More informationChemistry Review. a) all of the b) a&b c) a,b&c d) a,b&d above
Chemistry Review 1. The elements whose symbols are P, C, and N are (a) potassium, cadmium, and nickel. (b) potassium, carbon, and nitrogen. (c) phosphorus, calcium, and neon. (d) phosphorus, carbon, and
More informationSNC2D1: Grade 10 Academic Science
SNC2D1: Grade 10 Academic Science Chemistry Test date: Monday, March 24 Study tips: apple Read through your notes apple Make point form notes to summarize the topics apple Complete the review sheet apple
More informationChemical Reactions. Chemical Reactions Chemical reactions have a standard format when written:
0.3.notebook A chemical property is a behaviour that occurs when substances change to create a new substance. When a new substance is created, a chemical change has occurred. New colour Evidence of chemical
More informationReactions in aqueous solutions Redox reactions
Reactions in aqueous solutions Redox reactions Redox reactions In precipitation reactions, cations and anions come together to form an insoluble ionic compound. In neutralization reactions, H + ions and
More information2. 2 Complete this table of the parts of an atom: Particle Charge Location in atom Proton. Negative
Q Outcome 1. 1 Give a definition of the term matter 2. 2 Complete this table of the parts of an atom: Particle Charge Location in atom Proton In the nucleus Negative 3. 2 Draw an atom and label all particles.
More information1. 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.
More informationFinal Exam Review Questions You will be given a Periodic Table, Activity Series, and a Common Ions Chart CP CHEMISTRY
Final Exam Review Questions You will be given a Periodic Table, Activity Series, and a Common Ions Chart CP CHEMISTRY Part A True-False State whether each statement is true or false. If false, correct
More informationREVIEW OF BASIC CHEMISTRY ANSWER KEY
REVIEW OF BASIC CHEMISTRY ANSWER KEY 1. Name the following elements. Spelling counts: 2. Write the symbols for the following elements. H hydrogen sodium Na S sulphur phosphorus P Cl chlorine fluorine F
More informationCHEMISTRY REVIEW REVIEW WORKSHEET
The student should be able to:. Describe the classification of matter. 2. Describe the conservation of mass. 3. Identify products and reactions in a chemical equation. 4. Describe the structure of an atom
More informationReview Multiple Choice Questions
Chapter 2 Matter and Changes Review Multiple Choice Questions 1. The random molecular motion of a substance is greatest when the substance is a. condensed b. a liquid c. frozen d. a gas 2. After elements
More informationChem 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
More informationChemistry Over view.notebook November 12, 2014
Science 1206 1 Unit 2: Chemistry p.170 171 What is chemistry? What is matter? How does chemistry affect our everyday life? How would you test to see if these common chemicals are present? O 2 CO 2 http://www.youtube.com/watch?v=6huyuxjby3e
More information(DO NOT WRITE ON THIS TEST)
Final Prep Chap 8&9 (DO NOT WRITE ON THIS TEST) Multiple Choice Identify the choice that best completes the statement or answers the question. 1. After the correct formula for a reactant in an equation
More informationCHEMISTRY REVIEW REVIEW WORKSHEET
The student should be able to: 1. Describe the classification of matter. 2. Describe the conservation of mass. 3. Identify products and reactions in a chemical equation. 4. Describe the structure of an
More informationACP Chemistry (821) - Mid-Year Review
ACP Chemistry (821) - Mid-Year Review *Be sure you understand the concepts involved in each question. Do not simply memorize facts!* 1. What is chemistry? Chapter 1: Chemistry 2. What is the difference
More informationChemistry in Action. Gr. 10 Work Booklet. Name:
Chemistry in Action Gr. 10 Work Booklet Name: Determining the Number of Subatomic Particles Element name Chemical symbol # protons # neutrons # electrons atomic number atomic mass 7 7 5 6 5 1 0 1 Ca 9
More informationChemical Reaction Types
Chemical Reactions Chemical Reaction Types There are 5 types of chemical reactions that you need to know Combination reaction Decomposition reaction Combustion reaction Single replacement (redox) reaction
More information5072 CHEMISTRY (NEW PAPERS WITH SPA) BASIC TECHNIQUES 5067 CHEMISTRY (NEW PAPERS WITH PRACTICAL EXAM) BASIC TECHNIQUES
5072 CHEMISTRY (NEW PAPERS WITH SPA) BASIC TECHNIQUES 5067 CHEMISTRY (NEW PAPERS WITH PRACTICAL EXAM) BASIC TECHNIQUES LEARNING OUTCOMES a) Be able to write formulae of simple compounds b) Be able to write
More informationChapter 4; Reactions in Aqueous Solutions. Chapter 4; Reactions in Aqueous Solutions. V. Molarity VI. Acid-Base Titrations VII. Dilution of Solutions
Chapter 4; Reactions in Aqueous Solutions I. Electrolytes vs. NonElectrolytes II. Precipitation Reaction a) Solubility Rules III. Reactions of Acids a) Neutralization b) Acid and Carbonate c) Acid and
More informationPart 01 - Notes: Reactions & Classification
Objectives: Identify, define, and explain: combination reaction, synthesis reaction, decomposition reaction, single replacement reaction, double replacement reaction, combustion reaction, rapid oxidation,
More informationCh2.0 Lesson.notebook. February 08, Bell Activity. How do you think chemicals get their name? Who gives them their name?
Bell Activity How do you think chemicals get their name? Who gives them their name? 1 Introduction to Naming 2 IUPAC system ensures that each pure substance has a single unique name. This is called its
More informationAnswers to SNC 2DI Exam Review: Chemistry Unit 1. Understand the meaning of the following terms. Be able to recognize their definitions:
Answers to SNC 2DI Exam Review: Chemistry Unit 1. Understand the meaning of the following terms. Be able to recognize their definitions: Protons Chemical amily or Group Ionic compound Double displacement
More informationAnswer Sheet for Sample Problems for Chemistry Level 1 Final Exam 2016 Study Guide
Answer Sheet for Sample Problems for Chemistry Level 1 Final Exam 2016 Study Guide Electrons in Atoms Chapter 5 1. What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? 8 c 3.00x10
More informationSNC2D Chemistry Unit Test Practice
Multiple Choice (1 mark each): SNC2D Chemistry Unit Test Practice 1. Which of the following will form positive ions? (A) the alkali metals (B) the halogens (C) the noble gases (D) all of the above 2. Which
More informationAtoms What subatomic particles make up the atom?
Atoms What subatomic particles make up the atom? What are the masses of the subatomic particles? What do atomic and mass number represent? What does 7 3 Li represent? How are elements arranged in the periodic
More informationCHAPTER 8 CHEMICAL REACTIONS AND EQUATIONS
CHAPTER 8 CHEMICAL REACTIONS AND EQUATIONS CHEMICAL REACTIONS Occurs when matter combines or breaks apart to produce new kinds of matter with different properties with a change in energy. EVIDENCE FOR
More informationNotes: Chemical Reactions. Diatomic elements: H 2, N 2, O 2, F 2, Cl 2, Br 2, I 2 I Bring Clay For Our New Hut OR HOBrFINCl
Name Chemistry-PreAP Notes: Chemical Reactions Period Review: Some elements do not occur as single atoms when uncombined with other elements. They will bond with themselves, forming a molecule. In any
More informationSolid Gas Liquid Plasma
Unit 1: MATTER 1. Define CHEMISTRY: 2. Define MATTER: Use one of the states of matter to complete each statement. (Words will be used more than once.) Solid Gas Liquid Plasma 3. A has definite volume and
More informationNATIONAL 5 CHEMISTRY
Farr High School NATIONAL 5 CHEMISTRY Unit 1 Chemical Changes and Structure Question Booklet 1 Rates of Reaction 1. Explain how the following would affect the rate of the reaction between 1.0 g of magnesium
More informationTest bank chapter (2)
Test bank chapter (2) Choose the correct answer NOTE: A periodic table is required to work many of the problems in this chapter. 1. Which of these elements is most likely to be a good conductor of electricity?
More informationScience 10- Course Review Unit 1-Chemistry
Science 10 Science 10- Course Review Unit 1-Chemistry Name Date Date due The Science 10 Chemistry Unit covers: Chapter 8-Elements and the Periodic Table Chapter 9-Chemical Formulas and Compounds Chapter
More information2. Which is NOT considered matter? (A) air (B) lead (C) sugar (D) sunlight. 4. Which of the following is a metalloid? (A) Se (B) Sr (C) Si (D) Sn
Midterm Review Packet ANSWER KEY 01/26/2014 Multiple Choice Question 1. Which part of an atom is positively charged? (A) proton (B) neutron (C) electron (D) shells 2. Which is NOT considered matter? (A)
More informationIONIC CHARGES. Chemistry 51 Review
IONIC CHARGES The ionic charge of an ion is dependent on the number of electrons lost or gained to attain a noble gas configuration. For most main group elements, the ionic charges can be determined from
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More informationWORKSHEET 1 REVIEW OF GRADE 9 CHEMISTRY
WORKSHEET 1 REVIEW OF GRADE 9 CHEMISTRY PART A: DEFINITIONS/THEORY Matter: is anything that has mass and takes up space. -Matter can be classified according to its composition, ex. a mixture or a pure
More informationRegents Chemistry Unit 3- Bonding, Moles & Stoichiometry Study Guide & Pre-Test KEY
Name: Regents Chemistry Unit 3- Bonding, Moles & Stoichiometry Study Guide & Pre-Test KEY Focus Questions for the Unit: How are compounds different... from elements?... from mixtures? What role do valence
More informationIdentify the reaction type, predict the products, and balance the equations. If it is a special decomposition or synthesis, identify which kind.
Identify the reaction type, predict the products, and balance the equations. If it is a special decomposition or synthesis, identify which kind. 1. calcium + oxygen 2. cupric carbonate 3. aluminum + hydrochloric
More informationIONIC BONDS & IONIC FORMULAS
IONIC BONDS & IONIC FORMULAS BONDING CHEMICAL BONDING Chemical bond an attraction between 2 atoms involving their valence electrons Ionic bond -chemical bond resulting from the electrostatic attraction
More informationUnit 12: Acids & Bases. Aim: What are the definitions and properties of an acid and a base? Properties of an Acid. Taste Sour.
Unit 12: Acids & Bases Aim: What are the definitions and properties of an acid and a base? Mar 23 12:08 PM Properties of an Acid 3. Are electrolytes. (Dissociate and conduct electricity when aq) 2. Turns
More informationTYPES OF CHEMICAL REACTIONS
TYPES OF CHEMICAL REACTIONS Precipitation Reactions Compounds Soluble Ionic Compounds 1. Group 1A cations and NH 4 + 2. Nitrates (NO 3 ) Acetates (CH 3 COO ) Chlorates (ClO 3 ) Perchlorates (ClO 4 ) Solubility
More information5. Pb(IO 3) BaCO 3 8. (NH 4) 2SO 3
Chemistry 11 Solution Chemistry II Name: Date: Block: 1. Ions in Solutions 2. Solubility Table 3. Separating Ions Ions in Solutions Ionization Equation - Represents the salt breaking apart into ions. Practice:
More informationOxidation numbers are charges on each atom. Oxidation-Reduction. Oxidation Numbers. Electrochemical Reactions. Oxidation and Reduction
Oxidation-Reduction Oxidation numbers are charges on each atom. 1 2 Electrochemical Reactions Oxidation Numbers In electrochemical reactions, electrons are transferred from one species to another. In order
More informationAcids Bases and Salts Acid
Acids Bases and Salts Acid ph less than 7.0 Sour taste Electrolyte Names of Acids Binary acids Contain only 2 elements Begin with hydro; end with ic Ternary acids Ex: H 2 S = hydrosulfuric Contain a polyatomic
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More informationDOUBLE DISPLACEMENT REACTIONS. Double your pleasure, double your fun
DOUBLE DISPLACEMENT REACTIONS Double your pleasure, double your fun Industrial processes produce unwanted by-products. Dissolved toxic metal ions-copper, mercury, and cadmium-are common leftovers in the
More information2018 Version. NCEA Science 1.5 Acids and Bases AS 90944
2018 Version NCEA Science 1.5 Acids and Bases AS 90944 1 Achievement Criteria Aspects of acids and bases will be selected from: Atomic structure electron arrangement of atoms and monatomic ions of the
More informationChemical Equations and Chemical Reactions
Chemical Equations Chemical Equations and Chemical Reactions Chemical equations are concise representations of chemical reactions. Chemical Equations Symbols Used in Chemical Equations The formulas of
More informationChemical Reactions REDOX
Chemical Reactions REDOX There are two types of Chemical Changes: 1. Reactions in which ions are being rearranged with no change in their oxidation states. METATHESIS. Reactions in which electrons are
More informationTYPES OF CHEMICAL REACTIONS SYNTHESIS (COMPOSITION), DECOMPOSITION AND REPLACEMENT (SINGLE AND DOUBLE), AND COMBUSTION
TYPES OF CHEMICAL REACTIONS SYNTHESIS (COMPOSITION), DECOMPOSITION AND REPLACEMENT (SINGLE AND DOUBLE), AND COMBUSTION YOU CAN THINK OF ATOMS AS PEOPLE GETTING TOGETHER AS COUPLES... Analogy One person
More informationChemistry. End of Course. Student Name and Date
Chemistry HS End of Course Student Name and Date Baltimore City Public Schools Assessments End of Course High School Chemistry 1 Which of the following statements is 3 Which electron dot diagram NOT TRUE?
More informationChemical Nomenclature Chapter 2.5-8
Chemical Nomenclature Chapter 2.5-8 Octet Rule An octet is 8 valence electrons is associated with the stability of the noble gases does not occur with He, which is stable with two valence electrons (duet)
More informationChapter 4 Electrolytes Acid-Base (Neutralization) Oxidation-Reduction (Redox) Reactions. Dr. Sapna Gupta
Chapter 4 Electrolytes Acid-Base (Neutralization) Oxidation-Reduction (Redox) Reactions Dr. Sapna Gupta Types of Reactions Two classifications: one how atoms are rearrangement and the other is chemical
More informationUnit 4 - Periodic Table Exam Name: PRACTICE QUESTIONS Date: 2/23/2016
Name: PRACTICE QUESTIONS Date: 2/23/2016 1. Which pair of symbols represents a metalloid and a noble gas? 1) Si and Bi 2) As and Ar 3) Ge and Te 4) Ne and Xe 2. What determines the order of placement of
More information1. How many significant digits are there in each of the following measurements? (½ mark each) a) ha b) s. c) d) 0.
SCH 4U_07-08 SCH3U: REVIEW NAME: (TOTAL SCORE = 80) 1. How many significant digits are there in each of the following measurements? (½ mark each) a) 204.45 ha b) 18.23 s c) 380 000 d) 0.00560 g 2. Name
More informationCHEMICAL REACTIONS. Introduction. Chemical Equations
CHEMICAL REACTIONS Chemistry I Chapter 7 1 Chemical Equations Their Job: Depict the kind of reactants and products and their relative amounts in a reaction. 4 Al (s) + 3 O 2 (g) ---> 2 Al 2 O 3 (s) The
More informationYear 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
More informationAP 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
More informationPart 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
More informationUnit IV: Chemical Equations & Stoichiometry
Unit IV: Chemical Equations & Stoichiometry A. The chemical equation B. Types of chemical reactions A. Activity series of metals B. Solubility rules C. Rules for writing and balancing equations D. Calculations
More informationSCH4U Chemistry Review: Fundamentals
SCH4U Chemistry Review: Fundamentals Particle Theory of Matter Matter is anything that has mass and takes up space. Anything around us and in the entire universe can be classified as either matter or energy.
More informationIntro to Reactions/ Balancing Equations
Intro to Reactions/ Balancing Equations Chemical Reactions Chemical reactions involve change. Evidence of a chemical reaction could include the following Evolution of heat, light, and/or sound Production
More informationed. Brad Collins Aqueous Chemistry Chapter 5 Some images copyright The McGraw-Hill Companies, Inc. Sunday, August 18, 13
ed. Brad Collins Aqueous Chemistry Chapter 5 Some images copyright The McGraw-Hill Companies, Inc. A solution is a homogenous mixture of 2 or more substances at the molecular level The solute(s) is(are)
More informationChapter Menu Chapter Menu
Chapter Menu Chapter Menu Section 18.1 Section 18.3 Section 18.4 Introduction to Acids and Bases Hydrogen Ions and ph Neutralization Section 18.1 Intro to Acids and Bases Objectives: Compare the Arrhenius,
More informationUnit 1 - Foundations of Chemistry
Unit 1 - Foundations of Chemistry Chapter 2 - Chemical Reactions Unit 1 - Foundations of Chemistry 1 / 42 2.1 - Chemical Equations Physical and Chemical Changes Physical change: A substance changes its
More informationChoose the answer that best completes each statement.
Name Date CHAPTER TEST: CHEMICAL BONDS AND EQUATIONS Multiple Choice Choose the answer that best completes each statement. 1. Magnesium bromide is an ionic compound with the chemical formula MgBr2. What
More informationYear 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
More informationChemical Formulas and Chemical Nomenclature. Mr. Matthew Totaro Legacy High School Honors Chemistry
Chemical Formulas and Chemical Nomenclature Mr. Matthew Totaro Legacy High School Honors Chemistry 1 Molecular View of Elements and Compounds 2 Atomic Elements Atomic Elements = elements whose smallest
More information4.5: Acids and Bases. SCH3U: Solutions and Solubility. Properties of Pure and Aqueous Substances. Arrhenius Theory. Acid:
4.5: Acids and Bases Properties of Pure and Aqueous Substances Arrhenius Theory Acid: Acids are sour tasting and corrosive. They react readily with active metals such as Zn, Ca, Mg and carbonate-based
More informationThe drawing shows a container of a compound called magnesium chloride. How many elements are joined together to form magnesium chloride?
Bonding part 5 Q1. The drawing shows a container of a compound called magnesium chloride. How many elements are joined together to form magnesium chloride? Magnesium chloride is an ionic compound. What
More informationBUT FIRST LET S REVIEW IONS AND BONDING. What is the Lewis dot diagram for Magnesium? 2+ 2-
ELECTROLYTES BUT FIRST LET S REVIEW IONS AND BONDING What is the Lewis dot diagram for Magnesium? Mg 2 2- S What is the Lewis dot diagram for Sulfur? How would these 2 elements complete the octet rule?
More informationAssignment #1: Redox Reaction Skill Drills
Assignment #1: Redox Reaction Skill Drills Skill #1 Assigning Oxidation Numbers (Text Reference: p. 639 641) All elements have an oxidation number of 0. In compounds, oxidation numbers add up to 0. o Group
More informationChap. 4 AQUEOUS RXNS. O H δ+ 4.1 WATER AS A SOLVENT 4.2 AQUEOUS IONIC REACTIONS. Page 4-1. NaOH(aq) + HCl(g) NaCl(aq) +H 2 O
Chap. AQUEOUS RXNS.1 WATER AS A SOLVENT Describe solution composition in terms of molarity Describe strong and weak electrolyte solutions, including acids and bases Use ionic equations to describe neutralization
More informationChemistry Final Exam Sample Items
Chemistry Final Exam Sample Items 1. Which best describes the current atomic theory? a. Atoms consist of electrons circling in definite orbits around a positive nucleus. b. Atoms are composed of electrons
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More information9-1 The Nature of Chemical Reactions
9-1 The Nature of Chemical Reactions What are chemical reactions and why do they occur? A chemical reaction is a process in which one or more substances are converted into new substances with different
More informationELECTROLYTES & NEUTRALIZATION
ELECTROLYTES & NEUTRALIZATION BUT FIRST LET S REVIEW IONS AND BONDING What is the Lewis dot diagram for Magnesium? Mg 2 2- S What is the Lewis dot diagram for Sulfur? How would these 2 elements bond? What
More informationReactions in Aqueous Solutions
Reactions in Aqueous Solutions 1 Chapter 4 General Properties of Aqueous Solutions (4.1) Precipitation Reactions (4.2) Acid-Base Reactions (4.3) Oxidation-Reduction Reactions (4.4) Concentration of Solutions
More informationChapter 5 Classification and Balancing of Chemical Reactions
Chapter 5 Classification and Balancing of Chemical Reactions 5.1 Chemical Equations Chemical equations describe chemical reactions. - As words: hydrogen plus oxygen combine to form water - As a chemical
More informationAqueous Reactions. The products are just the cation-anion pairs reversed, or the outies (A and Y joined) and the innies (B and X joined).
Aqueous Reactions Defining Aqueous Reactions Aqueous reactions are reactions that take place in water. To understand them, it is important to understand how compounds behave in water. Some compounds are
More informationSolubility Rules See also Table 4.1 in text and Appendix G in Lab Manual
Ch 4 Chemical Reactions Ionic Theory of Solutions - Ionic substances produce freely moving ions when dissolved in water, and the ions carry electric current. (S. Arrhenius, 1884) - An electrolyte is a
More informationChapter 4. The Major Classes of Chemical Reactions 4-1
Chapter 4 The Major Classes of Chemical Reactions 4-1 The Major Classes of Chemical Reactions 4.1 The Role of Water as a Solvent 4.2 Writing Equations for Aqueous Ionic Reactions 4.3 Precipitation Reactions
More informationChemical Bonding and Naming Compounds. Ionic. Acid. Base. Oct 4 7:40 PM
Chemical Bonding and Naming Compounds (Chapter 9) Types of Bonds Ionic Bonds Molecular Bonds Types of Compounds Ionic Molecular Acid Base Chemical Bonding Atoms will bond together using their valence electrons.
More informationThis exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24
Name Hour January Exam Practice A This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24 This practice exam will be graded in the exam portion of the grade book. Objectives
More informationChapter 4. Reactions in Aqueous Solution
Chapter 4. Reactions in Aqueous Solution 4.1 General Properties of Aqueous Solutions A solution is a homogeneous mixture of two or more substances. A solution is made when one substance (the solute) is
More informationUnit 6.3 Types of Chemical reactions
Unit 6.3 Types of Chemical reactions Most chemical reactions can be classified into one of five types of reactions. It depends on both the reactants used and the products formed. The possible chemical
More informationSCH 3UI Unit 5 Outline Chemical Reactions Homework Questions and Assignments complete handouts: Balancing Equations #1, #2, #3, #4
Lesson Topics Covered 1 Note: Chemical Reactions and Chemical Equations definition of chemical reaction four signs of chemical change the Law of Conservation of Mass balancing chemical equations SCH 3UI
More informationBeaker A Beaker B Beaker C Beaker D NaCl (aq) AgNO 3(aq) NaCl (aq) + AgNO 3(aq) AgCl (s) + Na 1+ 1
CH 11 T49 MIXING SOLUTIONS 1 You have mastered this topic when you can: 1) define the terms precipitate, spectator ion, suspension, mechanical mixture, solution. 2) write formula equations, complete/total
More informationUnit 8 Chemical Reactions- Funsheets
Part A- Balancing Equations and Types of Reactions Balance AND identify the following reactions: Unit 8 Chemical Reactions- Funsheets 1) Mg + Zn(NO 3) 2 Zn Mg(NO 3) 2 2) Ba + AgNO 3 Ag + Ba(NO 3) 2 3)
More information97 MOLECULAR AND IONIC EQUATIONS
97 MOLECULAR AND IONIC EQUATIONS - Ions that show up IN THE SAME FORM on the left and right sides of a chemical equation are called SPECTATOR IONS. If we rewrite an ionic equation to leave out the spectator
More information3.1 Chemical Equations. 3: Chemical Reactions. Chemical Equations. Chemical Equations. Chemical Equations. Types of Chemical Reactions.
3: Chemical Reactions 1. Chemical Equations 2. Types of Chemical Equations 3. Balancing Chemical Equation 4. Aqueous Reactions 4. Acid-Base Reactions 6. Redox Reactions 3.1 Chemical Equations How Do Chemists
More informationJanuary Semester Exam Practice B This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24
Name Hour January Semester Exam Practice B This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24 This practice exam will be graded in the exam portion of the grade book
More informationAnswers 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,
More informationChemical Equations. Intro to Stoichiometry. 2Na (s) + Cl 2(g) 2NaCl (s) Reactants Products. The Conservation Laws 4/6/09
Intro to Stoichiometry Chemistry 11 Chemical Equations Various types of evidence suggests that a chemical reaction has occurred. These include: Change in temperature. A colour change may occur. New phases
More informationReactions in Aqueous Solutions
Chapter 4 Reactions in Aqueous Solutions Some typical kinds of chemical reactions: 1. Precipitation reactions: the formation of a salt of lower solubility causes the precipitation to occur. precipr 2.
More informationCHEMICAL REACTIONS. Types of Reactions. Steps to Writing Reactions
Types of Reactions CHEMICAL REACTIONS There are five types of chemical reactions we will talk about: 1. Synthesis reactions 2. reactions 3. Single displacement reactions 4. reactions 5. Combustion reactions
More informationIndicate 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 informationChapter 2. The Components of Matter
Chapter 2. The Components of Matter 1 The Periodic Table (Section 2.6) 13 Al 26.981 Main Idea: 1. Groups: Old numbering system: New IUPAC numbering system: 2. Periods: 3. Know the names and properties
More informationBalancing Equations Notes
. Unit 9 Chemical Equations and Reactions What is a Chemical Equation? A is a written representation of the process that occurs in a chemical reaction. A chemical equation is written with the (starting
More information