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Worksheets

Polyatomic Ions

Total questions: 24

Worksheet time: 11mins

Name
Class
Date
1.

NH4+

a)

Ammonium

b)

Peroxide

c)

Hypochlorite

d)

Thiocyanate

2.

Nitrite

a)

NO3-

b)

CN-

c)

NO2-

d)

NH4-

3.

Nitrate

a)

NH4+

b)

SO4-2

c)

NO2-

d)

NO3-

e)

ClO-

4.

Hydroxide

a)

OH2-

b)

OH-2

c)

OH-

d)

O2H-

5.

Sulfite

a)

SO3-2

b)

HSO4-

c)

SO4-2

6.

SO4-2

a)

Sulfite

b)

HypoSulfite

c)

PerSulfate

d)

Sulfate

7.

Cyanide

a)

CN2-

b)

C2N-

c)

NC-

d)

CN-

8.

Phosphate

a)

HPO43-

b)

PO33-

c)

PO2-3

d)

PO4-3

9.
CO32-
a)
carbon oxide
b)
carbonate
10.
ClO3-
a)
chlorite
b)
chlorate
11.
C2H3O2-
a)
acetate
b)
carbon hydroxide
12.
CrO42-
a)
chromium oxide
b)
chromate
13.

A positively charged ion is

a)

a cation.

b)

an anion.

c)

in a good mood.

d)

is an optimist.

14.

A negatively charged ion is

a)

a cation.

b)

an anion.

c)

in a good mood.

d)

is an optimist.

15.

What is the correct formula for the polyatomic ion called chlorite?

a)

ClO

b)

ClO2

c)

ClO3

d)

ClO4

16.

ClO-

a)

chlorate

b)

chlorite

c)

hypochlorite

d)

perchlorate

17.

Cr2O72-

a)

dichromate

b)

dichromite

c)

hypodichromite

d)

perdichromate

18.

HCO3-

a)

hydrogen carbonate

b)

dihydrogen carbonate

c)

hydrogen carbonite

d)

dihydrogen carbonite

19.

Thiocyanate

a)

NCS-

b)

NCS3-

c)

NCS22-

d)

NCS2-

20.

Permanganate

a)

MnO2-

b)

MnO3-

c)

MnO4-

d)

MnO-

21.

peroxide

a)

O2-

b)

O2-

c)

O23-

d)

O22-

22.

ClO4-

a)

Chlorate

b)

hypochlorate

c)

Perchlorate

d)

chlorite

23.

Oxalate

a)

C2O32-

b)

CO42-

c)

C2O4-

d)

C2O42-

24.

H2PO4-

a)

Dihydrogen Phosphous

b)

Dihydrogen Phosphide

c)

Dihydrogen Phosphate

d)

Dihydrogen Phosphite