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Chemistry B Final Exam Review
Test Description: Test Review
Instructions: Answer all questions to get your test result.
1) What is the charge of an anion?
A
No charge
B
Negative
C
Positive
D
None of the above
2) What is the charge of a cation?
A
No charge
B
Negative
C
None of the above
D
Positive
3) Which of the following is the numner of electrons in the ion given correctly?
A
B3+ has 5 electrons
B
Cl- has 17 electrons
C
Na+ has 10 electrons
D
N- has 7 electrons
4) What the name of this ion: Fe2+
A
Scandium (IV)
B
Iron (II)
C
Iron (III)
D
Scandium (II)
5) What is the name of this ion: F-
A
Fluorine
B
None of these are correct
C
Fluoride
D
Floride
6) Name this compound: K2O
A
Potassium oxalate
B
Potassium oxsende
C
Potassium ion oxide
D
Potassium oxide
7) What two subatomic particles want to stay as far apart as possible in an atom?
A
Pairs of protons
B
Paris of photons
C
Pairs of electrons
D
Pairs of neutrons
8) Outermost electrons
A
outside electrons
B
orbital electrons
C
paired electrons
D
valence electrons
9) What is the shape of a water molecule?
A
bent
B
tetrahedral
C
linear
D
trigonal planar
10) When five pairs of electrons are shared in a molecule, what shape will the molecule be?
A
bent
B
tetrahedral
C
linear
D
trigonal bipyramidal
11) What is the molar mass of O2?
A
64 g
B
32 g
C
16 g
D
8 g
12) Ionic compounds end in the suffix __________________.
A
ade
B
ide
C
ite
D
ate
13) In a chemical reactions, energy can be
A
absorbed
B
neither released no absorbed
C
released
D
released or absorbed
14) What is a chemical reaction like?
A
More atoms on the product side
B
Equal atoms on both sides
C
More atoms on the reactant side
D
It depends on the reactions
15) What can be changed when balancing an equation?
A
subscripts
B
molecule names
C
chemical names
D
coefficients
16) Choose the false statement- The particles of gas are
A
arranged in an orderly pattern
B
always in motion
C
compressible
D
relatively far apart
17) What instrument is normally used to measure atmospheric pressure?
A
spectrometer
B
hydrometer
C
barometer
D
thermometer
18) Which unit represents pressure?
A
joule
B
pascal
C
mole
D
newton
*select an answer for all questions
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