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Polyatomic Ions and Naming

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

Match the polyatomic ion ammonium

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

2.

Match the polyatomic ion cyanide

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

3.

Match the polyatomic ion nitrate

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

4.

Match the polyatomic ion chlorate

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

5.

Match the polyatomic ion hydroxide

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

6.

Match the polyatomic ion chromate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

7.

Match the polyatomic ion sulfate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

8.

Match the polyatomic ion permanganate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

9.

Match the polyatomic ion acetate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

10.

Match the polyatomic ion carbonate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

11.

Match the polyatomic ion phosphate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

PO43-

e)

CrO42-

12.

What is the correct name for this polyatomic ion: ClO–

a)

hypochlorite

b)

chlorite

c)

chlorate

d)

perchlorate

13.

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

a)

ClO–

b)

ClO2–

c)

ClO3–

d)

ClO4–

14.

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

a)

CO32–

b)

Cr2O72–

c)

CrO42–

d)

CrO3–

15.

BrO3-

a)

Bisulfide

b)

Sulfate

c)

Bromate

d)

Bromite

16.

O22-

a)

Peroxide

b)

Oxygen

c)

Peroxate

d)

Hypoxate

17.

BrO2-

a)

Bromate

b)

Bromite

c)

Bromine

d)

Perbromite

18.

Chlorite has one less oxygen then chlorate

a)

True

b)

False

19.
Nitrite
a)
NO2-
b)
NO3-
c)
MnO4-
d)
NH4+
20.
Sulfite
a)
S2O3-2
b)
O2-2
c)
SO4-2
d)
SO3-2
21.

Chlorite

a)

ClO4-1

b)

ClO3-1

c)

ClO2-2

d)

ClO2-1

22.

Phosphite

a)

PO4-3

b)

PO2-3

c)

PO4-2

d)

PO3-3

23.

What is the formula for hypobromite?

a)

BrO4-

b)

BrO3-

c)

BrO2-

d)

BrO-

24.

What is the formula for perbromate?

a)

BrO4-

b)

BrO3-

c)

BrO2-

d)

BrO-

25.

If Cribbate is CbO3-3 then what is the formula for Cribbite?

a)

CbO2-3

b)

CbO-3

c)

CbO4-3

26.

If Cribbate is CbO3-3 then what is the formula for percribbate?

a)

CbO2-3

b)

CbO-3

c)

CbO4-3

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