Naming Ionic and Covalent Compounds

Calcium is a group 2A metal, and Bromine is a group 7A nonmetal. What is the name of the compound? What type of compound is formed?

• Calcium dibromide; covalent

• Calcium dibromide; ionic

• Calcium bromide; covalent

• Calcium bromide; ionic

Sodium is a metal in group 1A. Nitrogen is a nonmetal in group 5A. They form an ionic compound called Sodium Nitride. What is the chemical formula for sodium nitride?

• N₃Na

• Na₃N

• NaN

• NNa

Nitrogen is a group 5A nonmetal, and Chlorine is a group 7A nonmetal. What is the name of the compound they form? What type of compound do they form?

• Nitrogen chloride; covalent

• Nitrogen chloride; ionic

• Nitrogen trichloride; covalent

• Nitrogen trichloride; ionic

What is the chemical formula for the covalent compound diphosphorus tetrabromide

• Br₄P₂

• P₂Br₅

• P₂Br₄

• P₃Br₅

Greek prefixes are used when naming ionic compounds.

• True

• False

When writing the name of ionic compounds the name of the metal is always written first.

• True

• False

The charge of the copper ion in Copper (II) chloride is

• 1+

• 1-

• 2+

• 2-

The charge of the iron ion in Iron (III) sulfide is

• 2-

• 2+

• 3-

• 3+

Aluminum is a group 3A metal. Oxygen is a group 6A nonmetal. What type of compound will they form? What is the formula for the compound?

• ionic; Al₂O₃

• covalent; Al₂O₃

• ionic; Al₃O₂

• covalent; Al₃O₂

What type of compound is formed when Chlorine (Group 7A nonmetal) and Oxygen (Group 6A nonmetal) combine? What is the name of the compound?

• ionic; dichlorine heptaoxide

• covalent; dichlorine heptaoxide

• ionic; chlorine hexaoxide

• covalent; chlorine hexaoxide