REVIEW of NAMING SKILLS

Nitrate

• NO₃^-

• NO₂^-2

• NO₃^-2

• NO₃^-3

Hydroxide

• HOH^-

• H₂O

• OH^-2

• OH^-

Sulfate

• SO^-2

• SO₂^-2

• SO₃^-2

• SO₄^-2

Sulfite

• SO₄^-

• SO₃^-

• SO₃^-2

• SO^-2

Carbonate

• CO₃^-2

• C0₄^-

• CO₃^-

• CO₂-2

Phosphate

• PO^-1

• PO

• PO₄^-3

• PO₃^-3

An ion form when an element:

• gains or loses protons
• gains or loses electrons
• gains or loses neutrons
• gains or loses radiation

When metals form ions:

• they lose electrons and form cations
• they gain electrons and form cations
• they lose electrons and form anions
• they gain electrons and form anions

The charge on a sodium ion is:

• +2
• +1
• -1
• -2

The charge on a chlorine ion is:

• +2
• +1
• -1
• -2