Quarter 2

Chapter 18

100

The formula SO4 stands for ___________.

What is sulfate?

200

What is the total number of atoms in the compound Ca(ClO3)2?

a. 2

b. 3

c. 5

d. 9

What is 9?

300

In a chemical formula, the number of each type of atom in the compound is shown by numbers called ___.

a. superscripts

b. oxidation numbers

c. chemical symbols

d. subscripts

What is subscripts?

400

What kind of chemical bond is formed when an equal exchange of electrons occurs?

a. covalent

b. hydrate

c. ionic

d. magnetic

What is covalent?

500

Why do the noble gases NOT form compounds readily?

a. They have empty outer energy levels.

b. They have no electrons.

c. They have seven electrons in the outer energy levels.

d. Their outer energy levels are completely filled with electrons.

What is D?

Chapter 19

100

A(n) _____ chemical equation has the same number of atoms of each element on both sides.

a. complex b. balanced

c. simple d. physical

What is balanced?

200

If energy in the form of heat is required for a chemical reaction to take place, the reaction is ______.

a. exothermic. b. reactant.

c. balanced d. endothermic.

What is endothermic?

300

What type of reaction is shown in the chemical equation NH3 + HCl → NH4Cl?

What is Synthesis?

400

A substance that speeds up a chemical reaction without being permanently changed itself is a(n) ____.

a. Catalyst b. coefficient c. inhibitor d. reactant

What is Catalyst?

500

A chemical reaction in which thermal energy is released is ____.

a. endothermic

b. exothermic

c. flammable

d. a formula

What is exothermic?

Chapter 21

100

A mixture that has the same composition, color, density, and taste throughout. 

What is a solution?

200

Water.

What is the universal solvent?

300

The maximum amount of solute that can be dissolved in a given amount of solvent at a specific temperature.

What is solubility?

400

The amount of solute actually dissolved in a given amount of solvent.

What is concentration?

500

Solid solutions made by melting a metal solute and solvent together.

What are alloys?

Balancing

100

Which is balanced?

a. AgNO₃ + NaCl → 4AgCl + 2NaNO₃

b. 2AgNO₃ + 2NaCl → 3AgCl + 2NaNO₃

c. AgNO₃ + NaCl → AgCl + NaNO₃

d. AgNO₃ + 2NaCl → AgCl + 3NaNO₃

What is C?

Naming

100

NaCl

What is Sodium Chloride?

200

H₂O₄

What is Dihydrogen Tetroxide?

300

MgBr

What is Magnesium Bromide?

400

Phosphorus Dioxide  

What is PO₂?

500

Cu(SO)₄

What is Copper (II) Sulfate?