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Polyatomic Ions

Total questions: 22

Worksheet time: 27mins

Name
Class
Date
1.

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

a)

hypochlorite

b)

chlorite

c)

chlorate

d)

perchlorate

2.

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

a)

carbonate

b)

cyanide

c)

chromate

d)

chromite

3.

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

a)

hydrogen carbonate

b)

oxonium

c)

hydroxide

d)

acetate

4.

What is the correct name for this polyatomic ion: NO3–

a)

carbonate

b)

hydroxide

c)

nitrite

d)

nitrate

5.

What is the correct name for this polyatomic ion: CrO42–

a)

chromate

b)

dichromate

c)

carbonate

d)

ammonium

6.

What is the correct name for this polyatomic ion: PO43–

a)

phosphorus tetroxide

b)

phosphate

c)

sulphate

d)

hydroxide

7.

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

a)

ClO–

b)

ClO2–

c)

ClO3–

d)

ClO4–

8.

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

a)

ClO–

b)

ClO2–

c)

ClO3–

d)

ClO4–

9.

What is the correct formula for the polyatomic ion called hydrogen carbonate?

a)

HCO3–

b)

CO32–

c)

CrO42–

d)

CN–

10.

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

a)

CO32–

b)

Cr2O72–

c)

CrO42–

d)

CrO3–

11.

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

a)

SO32–

b)

HSO4–

c)

SO42–

d)

CH3COO–

12.

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

a)

NH3+

b)

NH3

c)

CN+

d)

NH4+

13.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
14.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
15.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
16.
C2H3O2-
a)
acetate
b)
carbon hydroxide
17.

What is the formula for Sodium Nitrate?

a)

NaN

b)

NaN2

c)

Na(NO3)2

d)

NaNO3

e)

SN

18.
What is the name of NH4Cl?
a)
nitrogen tetrahydrogen chloride
b)
ammonium chlorine
c)
ammonium chloride
d)
ammonium chlorate
19.
Permanganate
a)
NH4+
b)
NO2-
c)
NO3-
d)
MnO4-
20.

Sulfite

a)

S2O3-2

b)

O2-2

c)

SO4-2

d)

SO3-2

21.

What polyatomic ion is pictured here?

a)

hydronium

b)

hydroxide

c)

monoxide

d)

oxide

22.

dihydrogen phosphate

a)

HPO4 2-

b)

H(PO4)2 1-

c)

H2PO4 1-

d)

H2PO4 3-

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