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Final Exam Review
Test Description: Final Review for Chem A
Instructions: Answer all questions to get your test result.
1) What would the products be of this reaction: C6H8 + O2
A
C + H2 + O2
B
3.14
C
C6H8O2
D
CO2 + H20
2) What is the blank Coefficient: MgCl2 + 2 KMNO4 = Mg(MNO4)2 + ___ KCl
A
2
B
4
C
1
D
3
3) What is the product of the synthesis of Aluminum and Oxygen
A
AlO2
B
Al2O3
C
AlO
D
Al3O2
4) Which is not a diatomic?
A
C2
B
H2
C
N2
D
O2
5) What does the octet rule state
A
All elements have exactly 8 electrons
B
All elements have exactly 8 valence electrons
C
All elements bond/react to get 8 electrons
D
What does octet even mean?
6) How many valence electrons do Nitrogen have? What is its charge typically when in a ionic compound
A
8; 3
B
-5; 3
C
8; -5
D
5; -3
7) Which of the following is ionic
A
NH4NO3
B
NO2
C
C6H12O6
D
CO2
8) Which is the correct name for Sn2O3
A
Tin Oxide
B
Tin (III) Oxide
C
Tin (II) Oxide
D
Ditin Trioxide
9) Which is the correct formula for Aluminum Chloride
A
How do I even tell?
B
AlCl2
C
AlCl3
D
AlCl
10) What is the proper formula for Iron (III) Oxide
A
Fe3O
B
Fe3O6
C
FeO
D
Fe2O3
11) What is the oxidation number/state of C in CO2?
A
0
B
-4
C
There is no way to determine that
D
4
12) What is the oxidation state of S in SO4 2-
A
8
B
0
C
-2
D
6
13) What type of reaction is: NH4NO3 + CaCl2 = NH4Cl + Ca(NO3)2
A
Single Displacement
B
Double Displacement
C
Synthesis
D
Decomposition
14) What type of reaction is Mg + O2 = MgO
A
Decomposition
B
Synthesis
C
Double displacement
D
Single Displacement
15) What is the name of this compound: N2O7
A
Nitrogen Oxide
B
Nitrogen (VII) Oxide
C
Dinitrogen Heptaoxide
D
Nitrogen (II) Oxide
16) Which is not a type of bond?
A
Polar Covalent
B
Ionic
C
Covalent
D
Hydrogen
17) An ionic bond involves:
A
The gaining and losing of electrons
B
I do not know
C
Magic
D
The sharing of electrons
18) Which pair of ions is with the correct molecule
A
Mg 2+; Cl -; MgCl
B
Cu 2+; O 2+; Cu2O2
C
Na +; CO3 2-; NaCO3
D
H +; PO4 3-; H3PO4
19) Molecular compounds usually have
A
Metal and a nonmetal
B
2 or more metals
C
2 or more nonmetals
D
they don't exist
20) What is always a reactant in a combustion reaction
A
O2
B
H2O
C
CO2
D
Its never the same
*select an answer for all questions
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