acetate ionC2H3O2

1-

hydroxide ionOH 1-

cyanide ionCN 1-

ammonium ion

NH41+

nitrate ion

NO31-

chlorate ionClO3

1-

bicarbonate ionHCO3

1-

O2 2-

Peroxide ion

carbonate ionCO3

2-

sulfate ionSO4

2-

chromate ionCrO4

2-

phosphate ion

PO4 3-

Of the 12 polyatomic ions there are:

6 with a (-1) charge 4 with a (-2)charge

only 1 with a (-3) charge

& of course only 1 with a (+1) charge

DID YOU KNOW?

Of the 12 polyatomic ions there are:

6 with a (-1) charge 4 with a (-2)charge

only 1 with a (-3) charge

& of course only 1 with a (+1) charge

DID YOU KNOW?

ammonium ion

NH41+

acetate ionC2H3O2

1-

hydroxide ion

OH 1-

cyanide ion

CN 1-

ammonium ion

NH41+

nitrate ion

NO31-

chlorate ionClO3

1-

O2 2-

Peroxide ion

carbonate ionCO3

2-

sulfate ionSO4

2-

chromate ionCrO4

2-

phosphate ion

PO4 3-

acetate ionC2H3O2

1-

hydroxide ionOH 1-

cyanide ion

CN 1-

ammonium ion

NH41+

nitrate ion

NO31-

chlorate ion

ClO31-

Ion QUIZ Do You KNOW the

Names, Formulas & Charges

for all 12 poly-atomic ions?