Front

What happens to an atom when it gains electrons?

Back

It becomes negatively charged because it has more electrons than protons.

Front

What type of bond is formed when metals bond with non-metals?

Back

Ionic bond.

Front

What is the name of the compound Ca3(PO4)2?

Back

Calcium phosphate.

Front

What is the proper formula for magnesium hydroxide?

Back

Mg(OH)2.

Front

What is the name of the compound Na2(SO4)?

Back

Sodium sulfate.

Front

Define ionic compound.

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

Front

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

Back

Positive charge.

Front

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

Back

Negative charge.

Front

How do you determine the formula of an ionic compound?

Back

By balancing the total positive and negative charges of the ions.

Front

What is the significance of the subscripts in a chemical formula?

Back

They indicate the number of atoms of each element in the compound.