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VSEPR theory

Total questions: 35

Worksheet time: 43mins

Name
Class
Date
1.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
2.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
3.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
4.
What molecule could this be? 
a)
H2O
b)
CCl4
c)
PCl5
d)
NaCl
5.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
6.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
7.
Who could this be?
a)
H2O
b)
NH3
c)
CO2
d)
CH4
8.

What molecular geometry would PH3 have?

a)

Trigonal Pyramidal

b)

Trigonal Bipyramidal

c)

Bent

d)

Linear

9.
How many lone pairs of electrons are on the P atom in PF3?
a)
1
b)
2
c)
3
d)
0
10.
What is the name of SO3?
a)
Sulfur Oxide
b)
Sulfur trioxide
c)
Monosulfur trioxide
d)
Sulfur (VI) Oxide
11.
What is the name of the CaF2?
a)
Calcium Fluoride
b)
Calcium Difluoride
c)
Monocalcium Difluoride
d)
Calcium (II) Fluoride
12.
What is the chemical formula for Phosphorus Pentachloride?
a)
PCl
b)
PCl3
c)
PCl5
d)
P5Cl
13.
What is the chemical formula for Sodium Sulfide?
a)
NaS
b)
Na2S2
c)
Na2S
d)
NaS2
14.

Name this formula:

KNO3

a)

Potassium Nitrogen Oxide

b)

Potassium Nitride

c)

Potassium Nitrate

d)

Potassium (I) Nitrite

15.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
16.

Name Al2S3

a)

Aluminum sulfide

b)

Dialuminum trisulfide

c)

ammonium sulfide

d)

aluminum (II) sulfice

17.

Name the compound NH4OH

a)

ammonium hydroxide

b)

ammonia oxyhydride

c)

mononitrogen tetraoxihydride

d)

hydrogen nitrate

18.

Name the compound CuO

a)

copper (II) oxide

b)

copper oxide

c)

copper (I) oxide

d)

carbon uranium oxide

19.

Name the compound CuCO3

a)

cobalt carbonate

b)

copper (III) carbonate

c)

copper (II) carbonate

d)

copper carbonate

20.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
21.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
22.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
2
c)
8
d)
24
23.
What is the oxidation number of Fe in FeO?
a)
+1
b)
-1
c)
+2
d)
-2
24.
What is the oxidation number of O in CO2?
a)
+2
b)
-1
c)
+4
d)
-2
25.
The sum of all oxidation numbers in a neutral compound is ___.
a)
0
b)
1
c)
-1
d)
depends on the compound
26.
What is oxidation number of Mn in MnO2 ?
a)
0
b)
+2
c)
-2
d)
+4
27.
What is the oxidation number of S in SO4 2-  ?
a)
-2
b)
+2
c)
+6
d)
-4
28.
What is oxidation number of P in K3PO4?
a)
+1
b)
+5
c)
-2
d)
0
29.

What is the charge, or oxidation number, for elements in Group 2?

a)

-2

b)

+2

c)

-3

30.

Oxidation number of O in its stable elemental form, O2:

a)

0

b)

-1

c)

-2

d)

+2

31.

Oxidation number of O in the compound H2O2:

a)

0

b)

-1

c)

-2

d)

+2

32.

Oxidation number of Fe in Fe2O3:

a)

0

b)

-2

c)

+2

d)

+3

33.

Oxidation number of Fe in Fe2+ ion:

a)

0

b)

-2

c)

+2

d)

+3

34.

Oxidation number of H in NaH:

a)

0

b)

+1

c)

-1

d)

+2

35.
What element's don't have oxidation numbers?
a)
alkali metals
b)
noble gases
c)
halogens
d)
alkaline earth metals

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