Ionic or Covalent Compounds

An ionic compound of calcium and chlorine would be named

• calcium chlorine.
• calcium chlorite.
• calcium chloride.
• chlorine calcium.

A covalent compound made of one sulfur and two oxygen atoms would be named

• sulfur dioxide.
• sulfur oxide.
• disulfur oxide.
• sulfide oxygen.

An ionic compound made of copper (Cu²⁺) and oxygen would be named

• copper oxygen.
• copper oxide.
• dicopper oxide.
• copper(II) oxide.

The covalent compound N₂O₅ would be named

• nitrogen oxide.
• dinitrogen oxide.
• nitrogen pentoxide.
• dinitrogen pentoxide.

Because the overall charge in a compound must be ____________, the charge of iron in Fe₂O₃ can be calculated as 3⁺.

• 2⁺
• 1⁺
• 0
• 1^-

In the compound TiO₂, titanium has a charge of

• 4⁺
• 2⁺
• 2^-
• 4^-

The chemical formula for an ionic compound of aluminum and chlorine is

• AlCl.
• ClAl.
• AlCl₃.
• Al₃Cl.

The chemical formula for an ionic compound of potassium and oxygen is

• KO.
• K₂O.
• K₂O₂.
• KO₂.

The ____________ formula of a compound is written in the simplest whole number ratio of atoms.

• chemical
• empirical
• ionic
• molecular

The formula C₆H₁₂O₆ would be the ______________ formula for glucose.

• chemical and empirical
• chemical and molecular
• empirical and structural
• molecular and empirical