Ionic Compounds Test REVIEW

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

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.HS-PS1-2

PbS₂

(DON'T GET TRICKED! This formula says that you need 2 sulfides to balance out with 1 lead.)

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

The proper formula for magnesium hydroxide.

(Is hydroxide a polyatomic ion? Do you need more than one of them? Does it need parentheses?)

• MgOH
• Mg₂OH
• Mg(OH)₂
• Mg₂OH₂

Name the following ionic compound: Cr(NO₂)₃

• chromium nitrite
• chromium nitride
• chromium III nitride
• chromium III nitrite

The name for CrN.

(Check the charge of N before you choose an answer!)

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

What is the formula for calcium carbonate?

• CaCO
• CaCO₂
• CaCO₃

• Ca₃CO₃

Ag₂O

(Is there more than 1 type of silver?)

• silver oxide
• silver (II) oxide
• silver oxygen
• silver(I)  Oxide

Li₂CO₃

• Regular Ionic

• Covalent
• Polyatomic

Tags

NGSS.HS-PS1-2

What is the correct name for Al₂(SO₄)₃?

• aluminum(II) sulfate

• dialuminum trisulfate

• aluminum sulfide

• aluminum sulfate

What is the formula for sodium hydroxide?

(Is hydroxide a polyatomic ion? Do you need more than one of them? Does it need parentheses?)

• NaOH

• NaOH₃

• Na(OH)

• (Na)₃OH