Ionic Formulas

What is the correct formula for lithium sulfide?
Lithium = Li
Sulfur = S

• LiS

• Li₂S

• LiS₂

• Li₂S₁

Tags

NGSS.MS-PS1-1

What is the correct formula for aluminum sulfide?
Aluminum = Al
Sulfur = S

• AlS

• AlS₃

• Al₂S

• Al₂S₃

Tags

NGSS.MS-PS1-1

What is the correct formula for barium sulfide?

• BaS

• BaS₂

• Ba₂S

• Ba₂S₃

When naming ionic compounds, the cation is always named first and the anion is always named second.

• False

• True

What is the correct ionic formula between H⁺ and S^2–?

• H₂S

• HS₂

What is the correct ionic formula between Cu²⁺ and O^2–?

• Cu₂O₂

• Cu_2–O₂₊

• CuO

Tags

NGSS.HS-PS1-3

What is the correct ionic formula between Ca²⁺ and N^3–?

• Ca₂N₃

• Ca₃N₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• LiO

• Li₂O

• LiO₂

• Li₂O₂

The formula of calcium phosphate is 

• CaPO₄

• Ca₂(PO₄)₃

• Ca₃PO₄

• Ca₃(PO₄)₂

The chemical formula of Iron (III)bromide is

• FeBr

• Fe(III)Br

• FeBr₃

• Fe₂Br₃

Tags

NGSS.MS-PS1-1