Chemical Formulas and Naming

Why did it require two sodium atoms to complete the Na₂O formula unit?

• Na has +2 charge and O has -1 charge.

• Na has +1 charge and O has -2 charge.

• Na has -2 charge and O has +1 charge.

Name CsF

• cesium fluorine

• cesium fluoride

• cesium(I) fluoride

Name B₂O₃

• boron oxide

• diboron trioxide

• boron oxygen

Name Mn(NO₃)₂

• manganese(II) nitrate

• manganese(IV) nitrate

• manganese nitride

What is the formula for Sodium oxide

• NaO

• Na₂O

• SO

What is the formula for Barium phosphide

• Ba₃P₂

• BaP

• Ba₃PO₄

What is the formula for Copper(I) nitrate

• CuNO

• CuNO₃

• Cu₃N

What is the formula for Manganese(IV) sulfate

• Mn(SO₄)₂

• MnSO₄

• MgSO₄

Which is an IUPAC name for a covalent compound?

• carbon dioxide

• carbon bioxide

• zinc monophosphate

• zinc phosphate

Based on the name, which substance is a covalent compound?

• copper(II) chloride

• chromium(III) sulfate

• dinitrogen pentoxide

• ammonium carbonate