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WMHS DCP #2 Review

Total questions: 40

Worksheet time: 2hrs 39mins

Name
Class
Date
1.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
2.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
3.

dinitrogen pentoxide

a)

N2O5

b)

NO5

c)

N5O2

d)

N2O6

4.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
5.

P₄S₁₀

a)

tetrapotassium decasulfide

b)

phosphorus decasulfide

c)

tetraphosphorus decasulfide

d)

phosphorus (X) sulfide

6.

What is the correct formula for potassium oxide?

a)

KO2

b)

KO

c)

K2O

d)

OK2

7.

What is the correct name for SrF2?

a)

fluoride strontium

b)

strontium fluorine

c)

strontium diflluoride

d)

strontium fluoride

8.

What is the correct name for VBr3?

a)

vanadium(III) bromide

b)

vanadium bromide

c)

vanadium(III) bromate

d)

vanadium tribromide

9.

What is the correct name for CrO?

a)

chromium monoxide

b)

chromium(I) oxide

c)

chromium(II) oxide

d)

chromium oxide

10.

What is the formula for copper(II) phosphide?

a)

Cu2P3

b)

Cu3P2

c)

Cu3(PO4)2

d)

Cu2P

11.

What is the correct name for Zn(CN)2?

a)

zinc cyanide

b)

zinc dicyanide

c)

zinc carbide

d)

zinc(I) cyanide

12.

What is the correct name for (NH4)2CO3?

a)

diammonium carbonate

b)

nitrogen hydrogen carbon oxide

c)

ammonium carbonate

d)

ammonium carbide

13.

What is the correct name for Al2(SO4)3?

a)

aluminum(II) sulfate

b)

dialuminum trisulfate

c)

aluminum sulfide

d)

aluminum sulfate

14.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
15.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
16.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
17.
In the correct Lewis structure for CH4, how many unshared electron pairs surround the carbon?
a)
2
b)
8
c)
0
d)
4
18.
This is the correct dot diagram for sodium (Na)
a)
true
b)
false
19.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
20.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
21.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
22.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single diplacement
d)
Double displacement
23.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
24.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
25.
C4H12 + O2 --> CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
26.

Which of the following chemilcal reactions would not be predicted to occur based on the activity series?

a)

Ca + MgCl2 → Mg + CaCl2

b)

Pb + CuCl2 → Cu + PbCl2

c)

Sn + CoCl2 → Co + SnCl2

d)

Na + PbCl2 → Pb + 2NaCl

27.

Which of the following chemical reactions is the only reaction shown that would be predicted to occur based on the activity series?

a)

Zn + MgBr2 → Mg + ZnBr2

b)

Ca + BaBr2 → Ba + CaBr2

c)

Au + PtBr → Pt + AuBr

d)

Mn + NiBr2 → Ni + MnBr2

28.

What type of reaction is shown?

a)

Combustion

b)

Precipitation

c)

Neutralization

d)

Single Replacement

29.

The reaction shown above is an example of a -

a)

combustion reaction

b)

precipitation reaction

c)

neutralization reaction

d)

synthesis reaction

30.

N2 + 6e- → 2N-3

The reaction above represents which of the following?

a)

Reduction

b)

Decomposition

c)

Acid-Base Neutralization

d)

Oxidation

31.

Which type of reaction is represented here?

a)

Precipitation

b)

Acid-Base neutralization

c)

Decomposition

d)

Single replacement

32.

What type of reaction is shown?

a)

Combustion

b)

Decomposition

c)

Synthesis

d)

Precipitation

33.

Mg0 → 2e- + Mg+2


The reaction above represents which of the following?

a)

Oxidation

b)

Precipitation

c)

Reduction

d)

Synthesis

34.

What type of reaction is shown?

a)

Neutralization

b)

Precipitation

c)

Decomposition

d)

Combustion

35.
 A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
36.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
37.
What is the bond angle for this molecule?
a)
109.5
b)
120
c)
107
d)
90
38.
What molecular shape is the structure shown here? (BCl3)
a)
linear
b)
trigonal planar
c)
tetrahedral
d)
trigonal pyramidal
39.
What molecular shape is the structure shown here? (H2O)
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
40.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Tetrahedral
d)
Linear

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