Chapter 3

Question 1

What is the formula for an ionic compound made of carbon and oxygen?

Answer 1

CO 2

Question 2

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms?

Answer 2

P 4 O 10

Question 3

What is the name of the compound made from lithium and oxygen?

Answer 3

Lithium Oxide

Question 4

What is the formula for an ionic compound made of Barium and Nitrogen?

Answer 4

Ba 3 N 2

Question 5

What is FALSE about chemical formulas?

Answer 5

The subscripts represent the relative mass of each type of atom in the compound

Question 6

What is the name of the molecular compound SO 3 ?

Answer 6

Sulfur Trioxide

Question 7

What is the name of CoS?

Answer 7

Cobalt(ll) sulfide

Question 8

Which metal atom cannot form a cation of several different charges?

Answer 8

Ba (Barium)

Question 9

Name a molecular compound

Answer 9

Nitrogen Monoxide

Question 10

What is the correct formula for Ammonium hydrogen sulfate (also knows as Ammonium bisulfate) ?

Answer 10

NH 4 HSO 4

Question 11

When elements combine to form compounds:

Answer 11

Their properties change completely

Question 12

How many oxygen atoms are in the formula AI 2 (SO4)3

Answer 12

12

Question 13

What us the chemical formula of Cobalt(ll) Nitride?

Answer 13

Co3N2

Question 14

What is the name of Mg(NO3)2?

Answer 14

Magnesium Nitrate