Polyatomic Ionic Compounds

Hydroxide

OH

Sulfate

SO₄

Nitrate

NO₃

Sulfite

SO₃

Phosphate

PO₄

Ammonium

NH₄

-1

Charge of the OH ion

-2

Charge of the SO₄ ion

-1

Charge of the NO₃ ion

-2

Charge of the SO₃ ion

-3

Charge of the PO₄ ion

+1

Charge of the NH₄ ion

Potassium hydroxide

KOH

Sodium sulfate

Na₂SO₄

Calcium Nitrate

Ca(NO₃)₂

Aluminum sulfite

Al₂(SO₃)₃

Cobalt(III)phosphate

CoPO₄

Ammonium sulfide

(NH₄)₂S

Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium

Name all the Alkali metals in order

Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium

Name all the Alkaline Earth Metals in an order

+3

Charge of Aluminum

+2

Charge of Zinc

+1

Charge of Silver

+2

Charge of Cadmium

+3

Charge of Scandium