Writing Formulas (Review!)

What is the correct formula for dinitrogen tetroxide?

• N₃O₃
• (N₂)₂(O₄)₃
• N₂O₄
• N₄O₂

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-1

The chemical formula of magnesium hydroxide is

• MgOH₂
• Mg(OH)₂
• Mg(OH)
• MgH₂

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

Aluminum fluoride is...

• AlF₃

• Al₃F

• FAl₃

• F₃Al

The chemical formula of Iron (III)bromide is

• FeBr
• Fe(III)Br
• FeBr₃
• Fe₂Br₃

The correct chemical formula for magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

Tags

NGSS.HS-PS1-2

The chemical compound for sodium phosphate would be:

• Na(PO₄)

• Na₂(PO₄)

• Na₃(PO₄)

• Na(PO₄)₃

ammonium phosphate

• (NH₄)₃PO₄
• NPO₄
• NH₄PO₄
• NH₄₍PO₄)₃