What do we remember about Ionic compounds?

Front

What is the chemical formula for aluminum oxide?

Back

Al₂O₃

Front

What is the chemical formula of magnesium phosphide?

Back

Mg₃P₂

Front

What is the chemical formula for Beryllium phosphide?

Back

Be₃P₂

Front

In an ionic compound, which comes first: metal or nonmetal?

Back

Metal

Front

What is the chemical formula of potassium iodide?

Back

KI

Front

What is an ionic compound?

Back

A compound formed by the electrostatic attraction between oppositely charged ions.

Front

What is the charge of a sodium ion (Na)?

Back

+1

Front

What is the charge of a chloride ion (Cl)?

Back

-1

Front

How do you determine the formula of an ionic compound?

Back

Combine the charges of the ions to balance them.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.