MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Which formula is correct for ammonium sulfate?

a. NH₄SO₄

b. (NH₄)₂SO₄

c. CH₄(SO₄)₂

d. (NH₄)₂(SO₄)₂

Correct Answer: b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

What formula correctly represent antimony (V) oxide?

a. SbO₅

b. Sb₂O

c. Sb₂O₅

d. Sb₅O₂

Correct Answer: c

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

The name of the compound KClO₂ is potassium

a. hypochlorite

b. chlorite

c. chlorate

d. perchlorate

Correct Answer: b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

The chemical formula for nickel (II) bromide is

a. Ni₂Br

b. NiBr₂

c. N₂Br

d. NBr₂

Correct Answer: b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Use a polyatomic ion table with oxidation numbers to answer the following questions.

1. What is the name of the compound with the formula K₂P0₄?

a. calcium phosphate

b. calcium Phosphorus oxygen

c. krypton phosphate

d. potassium phosphate

e. potassium phosphorus oxygen

2. What is the name of the compound with the formula Na₂P0₄?

a. nickel phosphate

b. nitrogen phosphate

c. nitrogen phosphorus oxygen

d. sodium phosphate

e. odium phosphorus oxygen

3. What is the formula for the compound named potassium hydroxide?

a. KH

b. KOH

c. NaOH

d. PH

e. POH

Correct Answers:

1. d

2. d

3. b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Use a polyatomic ion table with oxidation numbers to answer the following questions.

1. What is the formula for the compound named sodium hydroxide?

a. NH

b. NaOH

c. NOH

d. SH

e. SOH

2. What is the formula for aluminum nitrate?

a. AIN

b. AINO₃

c. al₃no₃

d. Al(N0₃)₃

e. al(no₃)₃

3. What is the formula for calcium hydroxide?

a. caoh

b. CaOH

c. Ca(OH)₂

d. COH

e. COH₂

Correct Answers:

1. b

2. d

3. c

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Use a polyatomic ion table with oxidation numbers to answer the following questions.

1. What is the formula for the compound named sodium sulfate?

a. NaSO

b. Na₂SO

c. Na₂SO₄

d. S₂So₄

e. SSo₄

2. What is the formula for the compound named potassium nitrate?

a. KNO

b. KNO₃

c. kno

d. PN

e. PNO

Correct Answers:

1. c

2. b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Using a periodic table, answer the following questions:

1. Given the following formula A1₂(S0₄)₃ what is the ratio of aluminum atoms to oxygen atoms?

a. 1:4

b. 1:5

c. 1:6

d. 3:4

e. 3:8

2. Given the following formula Ca₃(P0₄)₂ what is the ratio of calcium atoms to oxygen atoms?

a. 1:4

b. 1:5

c. 2:4

d. 3:4

e. 3:8

Correct Answers:

1. d

2. e

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Using a periodic table, answer the following questions:

1. Gary is studying a compound. He finds that the compound is made of calcium, carbon and oxygen. Further analysis reveals that for every calcium atom he has one carbon atom and three oxygen atoms. What is the formula for this compound?

a. Ca₂CO₃

b. CaCO₃

c. CaCO₄

d. CoCa₂

e. OCaC

2. Sue is studying a compound. She finds that the compound is made of silver nitrogen and oxygen. Further analysis shows that for every atom of silver in the compound there is one atom of nitrogen and three atoms of oxygen. What is the formula for the compound?

a. AgNO₂

b. AgNO

c. SNO

d. Sno

e. SNO₃

Correct Answers:

1. b

2. b

MC	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Use a periodic table to answer the following questions:

1. Which is the correct chemical formula for lead (II) chloride?

a. FeCl₂

b. L₂Cl

c. LCl₂

d. PbCl₂

e. Pb₂Cl

2. Which is the correct chemical formula for Iron (Ill) chloride?

a. Fe₃Cl

b. FeCl₃

c. I₃Cl

d. ICl₃

e. PbCl₃

Correct Answers:

1. d

2. b

I	Chemistry	Standard: 03
Objective: 02. Explain that properties of a compound may be different from its components.
ILO:

Rules for Naming Transition Metal Salts

1. The name of the metal is unchanged.

2. For metals having more than one oxidation state, a Roman numeral in parenthesis indicates the oxidation state of the metal.

3. The anion is named by adding ∆ide to the stem of the element.

Using the rules above, answer the following questions:

1. What is the proper name for Cr₂O₃?

a. Chromium (II) oxide

b. Chromium (III) oxide

c. Chromium trioxide

d. Dichromium trioxide

e. Chromium oxide

2. What is the formula for Iron (II) sulfide?

a. FeS

b. Fe₂S

c. FeS₂

d. Fe₂S₂

e. Fe₂S₃

3. What is the proper name for ZnCl₂?

a. Zinc chloride

b. Zinc (I) chloride

c. Zinc (II) chloride

d. Zinc (III) chloride

e. Zinc chlorine

Correct Answers:

1. b

2. a

3. a