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Ch 9 Review
Test Description: Ch 9 vocabulary review
Instructions: Answer all questions to get your test result.
1) Which subatomic particles are found in the nucleus of an atom?
A
neutrons and electrons
B
protons and neutrons
C
protons and electrons
D
codons and protons
2) Which of the following determines the identity of an element?
A
the number of codons
B
the number of electrons
C
number of protons
D
the number of neutrons
3) An atom that has 8 protons, 8 electrons, and 10 neutrons has an atomic mass number of:
A
2
B
8
C
18
D
10
4) Which of the following determines where an element is placed on the periodic table?
A
atomic number
B
number of neutrons
C
number of electrons
D
atomic mass
5) The element aluminum has an atomic number of 13 and an atomic mass number of 27. How many protons does aluminum have?
A
13
B
27
C
40
D
14
6) The element aluminum has an atomic number of 13 and an atomic mass number of 27. How many electrons does aluminum have?
A
14
B
40
C
27
D
13
7) The element aluminum has an atomic number of 13 and an atomic mass number of 27. How many neutrons does aluminum have?
A
14
B
27
C
40
D
13
8) Which classification of matter consists of only one type of atom?
A
mixture
B
compound
C
fruit salad
D
element
9) Of the following, the one that would be considered a mixture is:
A
distilled water (H2O)
B
oxygen (O2) gas
C
fruit salad
D
table salt (NaCl)
10) Intermolecular forces between molecules of a substance is strongest when the material is
A
gas
B
solid
C
liquid
D
plasma
11) The property that describes the amount of heat required to raise the temperature of 1 kg of a substance 1*C is its:
A
specific heat
B
thermal conductivity
C
temperature
D
thermal energy
12) While boiling what happens to the temperature of the substance?
A
Stays the same
B
increases
C
impossible to know
D
Decreases
13) The temperature of 54*F measures a temperature of about:
A
12 *F
B
300 k
C
12 K
D
12 *C
14) A temperature of 87K is nearly equivalent to:
A
0 *F
B
360 *C
C
300 *C
D
-303 *F
*select an answer for all questions
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