Ionic Compounds with Transition Metals

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

PbS₂

• lead sulfide
• lead sulfur
• lead II sulfide
• lead IV sulfide

Fe₂O₃

• iron oxide
• iron oxygen
• iron II oxide
• iron III oxide

AgF

• silver fluoride
• silver fluorine
• monosilver monofluoride
• silver monofluorine

In the compound TiO₂, titanium has a charge of

• 4⁺
• 2⁺
• 2^-
• 4^-

What is the formula for manganese(III) oxide?

• MgO
• Mg₂O₃
• MnO
• Mn₂O₃

The name for CrN:

• Chromium nitride
• Chromium (I) nitride
• Chromium (III) nitride
• Chromium nitride (III)

copper(II) chloride

• CuCl₂
• CuCl
• Cu₂Cl
• Cu₂Cl₂

The oxidation number for copper in Cu₂S:

• +1
• +2
• -1
• -2

Write the formula for copper (I) phosphide

• Cu₃P
• CuP
• Cu₁P
• CuP₃