Naming Ionic and Covalent Compounds and Balancing Equations

Molecular compounds

• share electrons

• give electrons

• take electrons

Molecular compounds are made of

• two non-metals

• two metals

• one metal and one non-metal

Ionic compounds are made of

• two non-metals

• two metals

• one metal and one non-metal

An ionic compound of calcium and chlorine would be named

• calcium chlorine

• calcium chloride

A covalent compound made of one sulfur and two oxygen atoms would be named

• sulfur dioxide.

• sulfur oxide.

An ionic compound made of magnesium and oxygen would be named

• magneside oxygen.

• magnesium oxide.

The covalent compound N₂O₅ would be named

• dinitrogen oxide.

• dinitrogen pentoxide.

• nitrogen pentoxide.

When calcium forms an ion it has a charge of 2+. This means it has

• 2 less electrons

• 2 extra electrons

NO₂

• dinitrogen oxide

• nitrogen dioxide

The chemical formula for an ionic compound of aluminum and chlorine is

• AlCl

• ClAl

• AlCl₃