Ionic Formula Writing

The first step in naming an ionic compound is always...

• Naming the anion (non-metal)

• Changing the ending to -ide

• Naming the cation (metal)

• Writing the anion charge

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

• LiO

• Li₂O

• LiO₂

• Li₂O₂

What is the formula for aluminum fluoride?

• AlF

• Al₂F₃

• AlF₃

• Al₃F₂

Tags

NGSS.MS-PS1-1

What is the correct formula for aluminum sulfide?

• AlS

• Al₂S₃

• AlS₃

• Al₃S₂

What is the correct chemical formula for ammonium sulfate?

Tags

DOK Level 2: Skill/Concept

Write the chemical formula for the compound named lead(IV) oxide.

Tags

DOK Level 2: Skill/Concept

Determine the chemical formula for barium nitrate.

Tags

DOK Level 2: Skill/Concept

The proper formula for magnesium hydroxide.

• MgOH

• Mg₂OH

• Mg(OH)₂

• Mg₂OH₂

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

• aluminum(II) sulfate

• dialuminum trisulfate

• aluminum sulfide

• aluminum sulfate

What is the formula for calcium carbonate?

• CaCO

• CaCO₂

• CaCO₃

• Ca₃CO₃

Tags

NGSS.MS-PS1-1