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WorksheetsPS 20 - Chemical Reactions Unit Exam Review
Total questions: 99
Worksheet time: 2hrs 47mins
Name
Class
Date
1.
Nonmetals tend to
a)
gain electrons
b)
lose electrons
2.
Metals tend to
a)
gain electrons
b)
lose electrons
3.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
4.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
5.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
6.
How do the following two elements bond together?
Na1+ F1-
Na1+ F1-
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
7.
How do the following two elements bond together?
Cr3+ O2-
Cr3+ O2-
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
8.
How do the following two elements bond together?
K1+ S2-
K1+ S2-
a)
KS
b)
K8S
c)
K6S3
d)
K2S
9.
How do the following two elements bond together?
Al3+ O2-
Al3+ O2-
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
10.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
11.
When a nonmetal gains electrons, it becomes this type of ion.
a)
Anion
b)
Cation
12.
When a metal loses electrons, it becomes this type of ion.
a)
anion
b)
cation
13.
When an ionic compound is formed, its charge is
a)
negative
b)
neutral (no charge)
c)
positive
14.
Which is the correct formula for sodium chloride?
a)
SoCl
b)
SdCl
c)
NaCl
d)
NaCl2
15.
Nonmetals form ____ by ____ electrons.
a)
Cations, gaining
b)
Cations, losing
c)
Anions, gaining
d)
Anions, losing
16.
Which of the following BEST describes ionic bonds?
a)
Bond held together by a sea of electrons
b)
Bond of two ions of opposite charges held together by electrostatic forces
c)
Bond held together by the sharing of electrons
d)
Bond between hydrogen and an anion or polyatomic ion.
17.
Is this compound ionic or covalent?
a)
Ionic
b)
Covalent
18.
Is this compound ionic or covalent?
a)
ionic
b)
covalent
19.
Is this compound ionic or covalent?
a)
ionic
b)
covalent
20.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
21.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
22.
What is the charge on the hydroxide ion?
a)
0
b)
-1
c)
-2
d)
-3
23.
The proper formula for magnesium hydroxide:
a)
MgOH
b)
Mg2OH
c)
Mg(OH)2
d)
Mg2OH2
24.
When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..
a)
atomic number
b)
mass number
c)
charge
d)
ionization energy
25.
Li2CO3
a)
Ionic
b)
Covalent
c)
Polyatomic
26.
What is the formula for sodium nitrate?
a)
Na3NO
b)
NaNO
c)
Na3NO3
d)
NaNO3
27.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
28.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
29.
What is the formula for calcium carbonate?
a)
CaCO
b)
CaCO2
c)
CaCO3
d)
Ca3CO3
30.
Find the formula zinc sulfate
a)
ZnSO3
b)
ZnSO4
c)
ZnS
d)
Zn(SO4)2
31.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
32.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
33.
Name this acid with the formula HF
a)
hydrofluoric acid
b)
hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
34.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
35.
What is the formula for perchloric acid?
a)
H3ClO3
b)
H3ClO4
c)
HClO3
d)
HClO4
36.
HBr
a)
hydrogen bromine acid
b)
hydrobromide acid
c)
hydrobromic acid
37.
carbonic acid
a)
H2CO3
b)
H2CrO4
c)
H2C2O4
d)
HCO3
38.
Name this acid: H2SO4
a)
hydrogen sulfate
b)
hydrosulfuric acid
c)
sulfuric acid
d)
sulfurous acid
39.
Name the acid that uses an acetate ion: HC2H3O2
a)
Acetic acid
b)
Acetous acid
c)
Hydrogen Acetate acid
d)
Hydrogen Acetatic acid
40.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
41.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
42.
What is the chemical formula for Nitrogen triiodide?
a)
NI
b)
N3I
c)
NI3
d)
None of these
43.
What is the name of CO
a)
Carbon oxide
b)
Carbon dioxide
c)
Carbon monoxide
d)
Carbon II oxide
44.
What is the chemical formula for Fluorine trisulfide ?
a)
S3F
b)
FS3
c)
FS
d)
none of the above
45.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
46.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
47.
What is the organic family for propyne?
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
48.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
49.
Which compound belongs to the alkene family?
a)
C2H2
b)
C2H4
c)
C6H6
d)
C6H14
50.
Name this molecule:
a)
methane
b)
ethane
c)
propane
d)
butane
51.
Name this molecule:
a)
methane
b)
ethane
c)
propane
d)
butane
52.
Name this molecule:
a)
methane
b)
ethane
c)
propane
d)
butane
53.
Name this molecule:
a)
methane
b)
ethane
c)
propane
d)
butane
54.
Name this molecule:
a)
pentane
b)
hexane
c)
heptane
d)
octane
55.
If an alkane has 10 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
56.
Is the name of single bonded, saturated hydrocarbons.
a)
Alkanes
b)
Alkenes
c)
Alkynes
d)
Tanins
57.
Is the name of doubled bonded, unsaturated hydrocarbons.
a)
Alkanes
b)
Alkenes
c)
Allkynes
d)
Tanins
58.
Is the name of triple bonded, unsaturated hydrocarbons.
a)
Alkanes
b)
Alkenes
c)
Alkynes
d)
Tanins
59.
is the alkene with 3 carbons in its chain.
a)
Ethene
b)
Propene
c)
Methene
d)
Decene
60.
Hydrocarbons are compounds that contain
a)
Carbon and Nitrogen
b)
Carbon and Hydrogen
c)
Carbon, and Oxygen
d)
Carbon, Oxygen, and Hydrogen
61.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
62.
Give the name of this compound...
C3H8
C3H8
a)
Propene
b)
Butyne
c)
Butene
d)
Propane
63.
What chemical is this? (C5H10)
a)
Pentene
b)
Pentane
c)
Hexane
d)
Heptene
64.
General formula of Alkene is
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
65.
2 NaBr + 1 Ca(OH)2 ----> 1 CaBr2 + 2 NaOH
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
66.
2 NH3+ 1 H2SO4 ----> 1 (NH4)2SO4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
67.
3 Pb + 2 H3PO4 ----> 3 H2 + 1 Pb3(PO4)2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
68.
1 Li3N + 3 NH4NO3 ----> 3 LiNO3 + 1 (NH4)3N
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
69.
3 HBr + 1 Al(OH)3 ----> 3 H2O + 1 AlBr3
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
70.
Na3PO4 + 3 KOH ----> 3 NaOH + K3PO4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
71.
Pb + FeSO4 ----> PbSO4 + Fe
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
72.
CaCO3 ----> CaO + CO2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
73.
MgCl2 + Li2CO3 ----> MgCO3 + 2 LiCl
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
74.
2 RbNO3 + BeF2 ----> Be(NO3)2 + 2 RbF
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
75.
P4 + 3 O2 ----> 2 P2O3
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
76.
2 AgNO3 + Cu ----> Cu(NO3)2 + 2 Ag
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
77.
2 C5H5 + Fe ----> Fe(C5H5)2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
78.
SeCl6 + O2 ----> SeO2 + 3Cl2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
79.
2 MgI2 + Mn(SO3)2 ----> 2 MgSO3 + MnI4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
80.
O3 ----> O. + O2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
81.
2 NO2 ----> 2 O2 + N2
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
82.
Two Reactants and One Product
a)
Decomposition
b)
Combination
c)
Combustion
d)
Single Replacement
83.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
84.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
85.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
86.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
87.
The following reaction is an example of what reaction type?
CoCO3 → CoO + CO2
CoCO3 → CoO + CO2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
88.
What is the left part of a chemical equation called?
H2 + O → H2O
H2 + O → H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
89.
What is the right part of a chemical equation called?
H2 + O → H2O
H2 + O → H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
90.
What are the PRODUCTS of the chemical reaction pictured?
a)
CH4 and CO2
b)
CH4 and O2
c)
CO2 and H2O
d)
O2 and H2O
91.
CH4 + 2 O2 → CO2 + 2H2O
In this equation, CH4 is a
In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
92.
Define the term soluble.
a)
Can dissolve in water
b)
Cannot dissolve in water
c)
Partially dissolves in water
93.
Define the term insoluble.
a)
Can dissolve in water.
b)
Cannot dissolve in water.
c)
Partially dissolves in water.
94.
Balance this equation:
2Li + Cl2 -> LiCl
2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
95.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.
96.
Which number should go in the blank?
_ H2 + O2 -> 2 H2O
_ H2 + O2 -> 2 H2O
a)
1
b)
2
c)
3
d)
0
97.
Is the following equation balanced or unbalanced ?
Al + O2 --> Al2O3
Al + O2 --> Al2O3
a)
Balanced
b)
Unbalanced
98.
Is the following equation balanced or unbalanced ?
N2 +3 H2 --> 2NH3
N2 +3 H2 --> 2NH3
a)
Balanced
b)
Unbalanced
99.
What are the coefficient used to balance the equation below?
__Ag2O →__ Ag +___O2
__Ag2O →__ Ag +___O2
a)
2,4,1
b)
1,1,1
c)
2,1,2
d)
2,2,2
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