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Polyatomic Ions (16)

Total questions: 32

Worksheet time: 46mins

Name
Class
Date
1.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
2.
What would be the proper chemical formula for combining Al3+ and Cl- :
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Al3Cl3
3.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
4.

MgI2

a)

Magnesium Iodine

b)

Monomagnesium di-iodide

c)

Magnesium iodide

d)

Magnesium tetraiodide

5.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
6.

What is the oxidation number for Magnesium?

a)

+1

b)

-1

c)

+2

d)

-2

7.

Match the polyatomic ion ammonium

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

8.

Match the polyatomic ion nitrate

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

9.

Match the polyatomic ion hydroxide

a)

NO3-

b)

ClO3-

c)

CN-

d)

NH4+

e)

OH-

10.

Match the polyatomic ion sulfate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

11.

Match the polyatomic ion carbonate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

CO32-

e)

CrO42-

12.

Match the polyatomic ion phosphate

a)

MnO4-

b)

CH3COO-

c)

SO42-

d)

PO43-

e)

CrO42-

13.

PO43-

a)

Phosphate

b)

Phosphite

c)

Silicate

d)

perchlorate

14.
What is the name of NH4Cl?
a)
nitrogen tetrahydrogen chloride
b)
ammonium chlorine
c)
ammonium chloride
d)
ammonium chlorate
15.

sulfate

a)

SO4-

b)

SO42-

c)

SO3-

d)

SO32-

16.

sulfite

a)

SO4-

b)

SO42-

c)

SO3-

d)

SO32-

17.

Hydrogen Carbonate (bicarbonate)

a)

HCO3–

b)

CO32–

c)

CrO42–

d)

CN–

18.
What is the name of NH4Cl?
a)
nitrogen tetrahydrogen chloride
b)
ammonium chlorine
c)
ammonium chloride
d)
ammonium chlorate
19.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
20.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
21.

What is the name of AgNO3?

a)

Silver(III) Nitrate

b)

Silver Mononitrate

c)

Silver(I) Nitrate

d)

Monosilver Nitrate

22.

If copper(II) and phosphate bond together, the formula would be:

a)

Cu2(PO4)3

b)

CuPO4

c)

Cu3(PO4)2

d)

Cu3PO4

23.
Ammonium and oxygen would combine to form:
a)
(NH4)2O
b)
NH4O2
c)
(NH4)O2
d)
NH6O3
24.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
25.
The proper formula for magnesium hydroxide:
a)
MgOH
b)
Mg2OH
c)
Mg(OH)2
d)
Mg2OH2
26.
The formula of calcium phosphate is 
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
27.
ammonium phosphate
a)
(NH4)3PO4
b)
NPO4
c)
NH4PO4
d)
NH4(PO4)3
28.

A positively charged ion is

a)

a cation.

b)

an anion.

c)

in a good mood.

d)

is an optimist.

29.

A negatively charged ion is

a)

a cation.

b)

an anion.

c)

in a good mood.

d)

is an optimist.

30.
The elements on the left side of the periodic table are generally always ______ and the elements on the right side of the periodic table are generally always ______.
a)
cations; anions
b)
anions; cations
c)
reactive; non-reactive
d)
non-reactive; reactive
31.
What is iron's charge in the chemical formula FeCl3?
a)
1+
b)
2+
c)
3+
d)
1-
32.

What is the formula for chromium (II) hydroxide?

a)

CrOH

b)

Cr(OH)1

c)

Cr(OH)3

d)

Cr(OH)2

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