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Worksheets

Polyatomic Ions Practice

Total questions: 25

Worksheet time: 15mins

Name
Class
Date
1.

What is the formula for Ammonium?

a)

The formula for Ammonium is NH4+

b)

The formula for Ammonium is NH3

c)

The formula for Ammonium is NH2

d)

The formula for Ammonium is NH4

2.

What is the name of the ion with the formula NO₂⁻?

a)

Nitrite

b)

Nitrate

c)

Nitride

d)

Nitronium

3.

What is the charge of the Sulfate ion?

a)

The charge of the Sulfate ion is -2.

b)

The charge of the Sulfate ion is -1.

c)

The charge of the Sulfate ion is +1.

d)

The charge of the Sulfate ion is +2.

4.

Which of the following is the formula for Hydroxide?

a)

OH⁻

b)

CN⁻

c)

CO₃²⁻

d)

PO₄³⁻

5.

What is the name of the ion with the formula ClO₃⁻?

a)

The ion with the formula ClO₃⁻ is called chlorate.

b)

The ion with the formula ClO₃⁻ is called hypochlorite.

c)

The ion with the formula ClO₃⁻ is called perchlorate.

d)

The ion with the formula ClO₃⁻ is called chlorite.

6.

What is the formula for the Phosphate ion?

a)

PO43-

b)

PO32-

c)

PO42-

d)

PO33-

7.

What is the formula for the Acetate ion?

a)

C2H3O2

b)

CH3COO−

c)

C2H4O2

d)

CH3COOH

8.

What is the name of the ion with the formula CrO₄²⁻?

a)

The name of the ion with the formula CrO₄²⁻ is chromate.

b)

The name of the ion with the formula CrO₄²⁻ is dichromate.

c)

The name of the ion with the formula CrO₄²⁻ is permanganate.

d)

The name of the ion with the formula CrO₄²⁻ is sulfate.

9.

Which ion has the formula HCO₃⁻?

a)

HCO₃⁻ is the bicarbonate ion.

b)

HCO₃⁻ is the carbonate ion.

c)

HCO₃⁻ is the hydroxide ion.

d)

HCO₃⁻ is the sulfate ion.

10.

What is the charge of the Oxalate ion?

a)

The charge of the Oxalate ion is -2.

b)

The charge of the Oxalate ion is -1.

c)

The charge of the Oxalate ion is 0.

d)

The charge of the Oxalate ion is +1.

11.

Which of the following is the formula for Cyanide?

a)

CN⁻

b)

OH⁻

c)

CO₃²⁻

d)

PO₄³⁻

12.

What is the name of the ion with the formula MnO₄⁻?

a)

The name of the ion with the formula MnO₄⁻ is permanganate.

b)

The name of the ion with the formula MnO₄⁻ is manganate.

c)

The name of the ion with the formula MnO₄⁻ is manganite.

d)

The name of the ion with the formula MnO₄⁻ is manganous.

13.

What is the formula for the Perchlorate ion?

a)

The formula for the Perchlorate ion is ClO4-.

b)

The formula for the Perchlorate ion is ClO3-.

c)

The formula for the Perchlorate ion is ClO2-.

d)

The formula for the Perchlorate ion is ClO-.

14.

Which of the following ions has a -2 charge?

a)

Nitrate

b)

Sulfate

c)

Hydroxide

d)

Carbonate

15.
Carbonate
a)
Cr2O4-2
b)

CH3COO-

c)
CO3-2
d)
CN-
16.
Nitrite
a)
NO2-
b)
NO3-
c)
MnO4-
d)
NH4+
17.
Nitrate
a)
NO2-
b)
NO3-
c)
MnO4-
d)
NH4+
18.
Chromate
a)
CH3COO-
b)

CrO4-2

c)
CO3-2
d)
Cr2O4-2
19.

What is the charge on the sulfate ion ( SO4SO_4 )?

a)

-1

b)

-2

c)

-3

d)

+2

20.

What is the charge on the nitrate ion ( NO3NO_3 )?

a)

-1

b)

-2

c)

-3

d)

+1

21.

What is the charge on the phosphate ion ( PO4PO_4 )?

a)

-1

b)

-2

c)

-3

d)

+3

22.

What is the formula for hypobromite?

a)

HBr

b)

HBrO-

c)

BrO-

d)

BrO2-

23.

What is the formula for bromite?

a)

BrO3-

b)

HBrO-

c)

BrO-

d)

BrO2-

24.

What is the formula for bromate?

a)

BrO3-

b)

BrO3

c)

BrO-

d)

BrO2-

25.

What is the formula for perbromate?

a)

BrO3-

b)

BrO4-

c)

BrO-

d)

BrO2-