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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
C6H8O2
B
C + H2 + O2
C
CO2 + H20
D
3.14
2) What is the blank Coefficient: MgCl2 + 2 KMNO4 = Mg(MNO4)2 + ___ KCl
A
3
B
4
C
1
D
2
3) What is the product of the synthesis of Aluminum and Oxygen
A
Al3O2
B
Al2O3
C
AlO
D
AlO2
4) Which is not a diatomic?
A
N2
B
C2
C
O2
D
H2
5) What does the octet rule state
A
All elements have exactly 8 electrons
B
All elements bond/react to get 8 electrons
C
What does octet even mean?
D
All elements have exactly 8 valence electrons
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
C6H12O6
C
NO2
D
CO2
8) Which is the correct name for Sn2O3
A
Ditin Trioxide
B
Tin (II) Oxide
C
Tin (III) Oxide
D
Tin Oxide
9) Which is the correct formula for Aluminum Chloride
A
AlCl
B
AlCl3
C
AlCl2
D
How do I even tell?
10) What is the proper formula for Iron (III) Oxide
A
FeO
B
Fe2O3
C
Fe3O
D
Fe3O6
11) What is the oxidation number/state of C in CO2?
A
4
B
-4
C
There is no way to determine that
12) What is the oxidation state of S in SO4 2-
A
8
B
-2
C
6
13) What type of reaction is: NH4NO3 + CaCl2 = NH4Cl + Ca(NO3)2
A
Single Displacement
B
Decomposition
C
Double Displacement
D
Synthesis
14) What type of reaction is Mg + O2 = MgO
A
Double displacement
B
Single Displacement
C
Decomposition
D
Synthesis
15) What is the name of this compound: N2O7
A
Nitrogen Oxide
B
Nitrogen (VII) Oxide
C
Nitrogen (II) Oxide
D
Dinitrogen Heptaoxide
16) Which is not a type of bond?
A
Hydrogen
B
Polar Covalent
C
Ionic
D
Covalent
17) An ionic bond involves:
A
The sharing of electrons
B
Magic
C
I do not know
D
The gaining and losing of electrons
18) Which pair of ions is with the correct molecule
A
Na +; CO3 2-; NaCO3
B
Cu 2+; O 2+; Cu2O2
C
Mg 2+; Cl -; MgCl
D
H +; PO4 3-; H3PO4
19) Molecular compounds usually have
A
2 or more nonmetals
B
2 or more metals
C
they don't exist
D
Metal and a nonmetal
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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