Writing Formulas Naming Compounds

What is the name of Cu₃P

• Copper II phosphide

• Copper III phosphide

• Copper I Phosphate

• Copper I Phosphide

• This can not be determined

Vanadium is a metal that can form more than 1 type of ion. What is the proper name of VO₂ ?

• Vanadium oxide

• Vanadium oxalate

• Vanadium II oxide

• Vanadium IV oxide

• Not enough information is given.

What is the formula for Iron II phosphide

• Fe₃P₂
• Fe₂P₃
• Fe₃(PO₄)₄
• Fe₂(PO₄)₃

What is the formula for Titanium IV nitrate

• Te₄N

• Ti₃N₄

• Ti(NO₃)₄

• Ti₃(NO₃)₄

What is the name of FeCl₃

• Iron chloride
• Iron chloride III 
• Iron III chloride
• Iron II chloride

What is the formula for Sodium Carbonate

• NaCO₃ 
• SCO₃
• Na(CO₃)₂
• Na₂CO₃ 

Tags

NGSS.MS-PS1-1

What is the name of Al₂(SO₄)₃

• Aluminum oxide
• Aluminum II sulfate
• Aluminum sulfate 
• Aluminum III sufate

What is the formula for Magnesium nitrate

• Mg₃N₂
• Mg₂NO₃
• Mg(NO₃)₂  
• None of the above

What is the formula for hexacarbon octabromide

• CBr

• C₇Br₈

• C₈Br₆

• C₆Br₈

What is the name of Fe₂O₃

• Iron oxide
• Iron II oxide
• Iron III oxide
• Iron hydroxide