Chemistry Review Game

______ VS ______ 100 200 300 400 500 600

1 Gravity attracts _____ toward the earth’s surface. 100 Gravity attracts _____ toward the earth’s surface. WEIGHT B. EVERYTHING C. NEWTON D. VOLUME

2 THE MASS AND WEIGHT OF AN OBJECT_______ ARE THE SAME NEVER CHANGE 100 THE MASS AND WEIGHT OF AN OBJECT_______ ARE THE SAME NEVER CHANGE ARE DIFFERENT NONE OF THESE

3 The volume of an object is_____ ITS LENGTH ITS MASS ITS WEIGHT 100 The volume of an object is_____ ITS LENGTH ITS MASS ITS WEIGHT THE SPACE IT OCCUPIES

4 A unit to express density would be ____. g/cm3 liter/milliliter 100 A unit to express density would be ____. g/cm3 liter/milliliter distance/speed mass*volume

5 100 In the chemical formula H2SO4, the ratio of hydrogen to sulfur is_______ 1 to2 2 to 1 3 to 4 4 to 2

6 The electron has a ______ electric charge. Negative Positive Neutral 100 The electron has a ______ electric charge. Negative Positive Neutral No

7 200 A substance which cannot be broken down into simpler substances is a(n)______. Element Molecule Atom Compound

8 Particles located in the nucleus of an atom are ____. 200 Particles located in the nucleus of an atom are ____. Protons and electrons Electrons and neutrons Protons and neutrons Uncharged

9 When atoms combine to form compounds they _____ electrons. Gain Lose 200 When atoms combine to form compounds they _____ electrons. Gain Lose Share All of the above

10 If an atom has 42 protons, it will have ___ electrons. 42 21 84 14 200 If an atom has 42 protons, it will have ___ electrons. 42 21 84 14

11 An atom which has a (+) or (-) charge is a(n)____. Element Ion 200 An atom which has a (+) or (-) charge is a(n)____. Element Ion Molecule Compound

12 200 The chemical formula C35H72MgN4O5 has ___ different kinds of elements. A.136 B. 6 C.55 D. 5

13 300 When a substance changes from a liquid to a gas, the change is called _____. Evaporation Fusion Condensation Chemical

14 300 A unit of volume is_____. Milliliter Gram Millimeter Newton

15 300 States of matter having no definite shape and no definite volume are_____. Solid and liquid Gas and Solid Liquid and Gas Gas and Plasma

16 The number of ___ in an atom is called the atomic number. Electrons 300 The number of ___ in an atom is called the atomic number. Electrons Neutrons Protons Neutrons and Protons

17 300 The number of neutrons in an iron atom is ___. 26 56 30 29

18 300 A group of nonmetals that are not chemically active under normal conditions of temperature and pressure are called____. Halogens C. Alkali earth metals Nitrogen D. Noble Gases

19 Most elements can be classified as metals or ___. Halogens 400 Most elements can be classified as metals or ___. Halogens Nonmetals Non-active Noble Gases

20 Chlorine is a member of the___. Halogens Alkali metals Noble Gases 400 Chlorine is a member of the___. Halogens Alkali metals Noble Gases Transition Metals

21 Lithium, sodium and potassium are all ____. Noble Gases 400 Lithium, sodium and potassium are all ____. Noble Gases Alkali Metals Halogens Transition Metals

22 400 A solution with a pH of 6.2 is a(n)___. Salt Base Acid Halogen

23 In a neutralization reaction ____ are formed. Bases Salts Acids 400 In a neutralization reaction ____ are formed. Bases Salts Acids Metals

24 When electrons are shared between atoms a(n) _____ takes place. 400 When electrons are shared between atoms a(n) _____ takes place. Ionic Bond Covalent Bond Displacement Synthesis

25 A gain or loss of ____ always occurs in a chemical change. Ions 500 A gain or loss of ____ always occurs in a chemical change. Ions Bases Salts Energy

26 H2O H + O2 is what classification of equation? 500 H2O H + O2 is what classification of equation? Synthesis C. Single Displacement Decomposition D. Double Displacement

27 2NaI + Pb(NO3)2 2NaNO3 + PbI2 is what classification of equation? 500 2NaI + Pb(NO3)2 2NaNO3 + PbI2 is what classification of equation? Synthesis C. Single Displacement Decomposition D. Double Displacement

28 Positive charges move ____ each other. Away from Around Toward 500 Positive charges move ____ each other. Away from Around Toward To bond with

29 The element symbol S stands for____. Sulfur Silver Silicon Sodium 500 The element symbol S stands for____. Sulfur Silver Silicon Sodium

30 500 H+ represents ____ and OH- represents ____. If they combine, they form _____. Acid, Base, Water Base, Acid, Water Water, Base, Acid Water, Acid, Base

31 When a chemical reaction occurs, atoms are never______. Ionized 600 When a chemical reaction occurs, atoms are never______. Ionized Destroyed Precipitated Rearranged

32 All atoms of the same element have the same number of _____. 600 All atoms of the same element have the same number of _____. protons, electrons, and neutrons neutrons protons protons and neutrons

33 Sodium (atomic number 11) has ___ electrons in the outer shell. 1 2 600 Sodium (atomic number 11) has ___ electrons in the outer shell. 1 2 7 8

34 600 Anything that takes up space and has mass is the definition of ____. Solid Liquid Matter Gas

35 600 A cube of metal 2 cm on a side has a mass of 64 grams. The density of the metal is ___. 2 g/cm3 C. 8 g/cm3 32 g/cm3 D. 64 g/cm3

36 600 The only naturally found liquid metal is _____. Fe Na Hg Au