Writing formulas from the name of an ionic charge

Front

What is the formula for potassium oxide?

Back

K₂O

Front

What is the correct name for CrO?

Back

chromium(II) oxide

Front

What is the correct name for CaO?

Back

Calcium oxide

Front

What is the formula for Aluminum oxide?

Back

Al₂O₃

Front

What is the correct name for SrF₂?

Back

strontium fluoride

Front

What is the charge of potassium in potassium oxide?

Back

+1

Front

What is the charge of oxygen in potassium oxide?

Back

-2

Front

How do you determine the formula for an ionic compound?

Back

Combine the charges of the cation and anion to balance to zero.

Front

What is the formula for magnesium chloride?

Back

MgCl₂

Front

What is the correct name for Na₂O?

Back

sodium oxide