2. Isotope Change in the number of protons
Change in the number of electrons
Change in the number of neutrons
Iso-What!!
C. Change in the number of neutrons

3. A metal and a non-metal bond
Covalent
Ionic
Shared
Phase
B. Ionic

4. Heat is given off during a chemical reaction.
Endothermic
Exothermic
Whatothermic
Hotothermic
B. Exothermic

5. Subscript The left side of the equation
The big number in front of the compound
The small number behind an element
The right side of the equation
C. The small number behind an element

6. Matter is neither created nor destroyed
Conservation of mass
Density
Mass spectrometry
Critical mass
A. Conservation of mass

7. Father of the periodic table
Da Vinci
Mendeleev
Democritus
Einstein
B. Mendeleev

8. Changing from a gas to a liquid
conduction
conservation
conversion
condensation
D. condensation

9. The arrow in a chemical equation means?
Product
Coefficient
yields
Reactant
C. yields

10. Positively charged partical in an atom
Proton
Electron
Positron
Neutron
A. Proton

11. Two or more elements chemically combined.
mixture
solution
compound
colloid
C. compound

12. A bond where electrons or shared
dipolar
ionic
metallic
covalent
D. covalent

13. GaBr3
Ionic
Covalent
Polar
Shared
A. Ionic

14. Carbon - 14
Ion
Ionic
Covalent
Isotope
D. Isotope

15. The 14 in Carbon - 14 is the new?
Number of protons
Number of electrons
Number of neutrons
Atomic Mass
D. Atomic Mass

16. Dihydrogen monoxide
OH2
H2O
He2O
HO2
B. H2O

17. Which compound would be Ionic?
H2O
CO2
Al2O3
NO2
C. Al2O3

18. How many valence electrons does Ca have?1 2 3 4
B. 2

19. Substance that cannot be further separated
mixture
solution
precipitate
element
D. element

20. How many electrons does Mg have?6 12 18 24
B. 12

21. How many Neutrons does O have?8 16 24 4
A. 8

22. Oxygen - 18 has how many neutrons?10 16 18
B. 10

23. Ca+2 has how many valence electrons?4 6 8
D. 8

24. The name for KI is? Potassium monoiodine Potassium Iodine
Potassium Iodide
Potassium monoiodide
C. Potassium Iodide

25. The name for C2H7 is? Carbon hydride Dicarbon hexahydride
Dicarbon heptahydride
Carbon heptahydride
C. Dicarbon heptahydride

26. You use brackets for covalent bonds?
True
False
B. False

27. An ion is an atom with a change in atomic mass.
True
False
B. False

28. A compound is a combination of two or more elements
True
False
A. True

29. Endothermic reactions are like a(n)
Ice pack
Hot pack
Icy Hot
thermometer
A. Ice pack

30. A change in color may indicate a?
Physical reaction
Decay
Chemical reaction
Law of conservation of mass
C. Chemical reaction

31. Matter cannot be created nor destroyed
Einstein
Law of Constant Proportions
David Copperfield
Law of Conservation of Mass
D. Law of Conservation of Mass

32. An ionic bond is formed when elements _________ electrons
transfer
share
lose their valence
create
A. transfer

33. A substance that has properties of both metals and nonmetals is
A rare earth element
A semi-metal
A transition metal
An alkali metal
B. semi-metal

34. Atomic number tells how many _____ an atom has
neutrons
electrons
protons
energy levels
C. protons

35. The most reactive metals are
The alkali metals
The alkaline earth metals
The transition metals
The semi-metals
A. The alkali metals

36. Elements within the same row of the periodic table are called
A family
A group
A column
A period
D. A period

37. A family of elements that don’t normally react is called
The halogens
The diatomic gases
The noble gases
The alkali earth metals
C. The noble gases

38. Which of the following elements is not a gas at room temperature
Hydrogen
Helium
Oxygen
Carbon
D. Carbon

39. All compounds are composed of
Metals and nonmetals
Ions
Solids
Elements
D. Elements

40. An atom of an element with a different number of electrons is
An ion
An isotope
A neutron
unstable
A. An ion