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Foundational Chemistry part 2 Concept Review
By John Lundy
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Last updated about 8 years ago
10 questions
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Note from the author:
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A review assignment looking Foundational Chemistry concepts learned thus far
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
How many neutrons do carbon-12 have, respectively?
Isotopes
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10
11
12
13
How many neutrons do carbon-13 have, respectively?
Isotopes
1
2
3
4
5
6
7
8
9
10
11
12
13
An atom may give, take, or share electrons with another atom to achieve a full valence shell, the most stable
electron configuration. Looking at this figure, how many electrons do elements in group 1 need to lose in
order to achieve a stable electron configuration?
1
2
3
4
5
6
7
8
9
10
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12
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14
15
16
17
18
How many electrons do elements in groups 14
need to gain to achieve a stable configuration?
1
2
3
4
5
6
7
8
9
10
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12
13
14
15
16
17
18
How many electrons do elements in groups 17
need to gain to achieve a stable configuration?
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2
3
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5
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14
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17
18
If xenon has an atomic number of 54 and a mass
number of 108, how many neutrons does it have?
54
27
100
108
Atoms that vary in the number of neutrons found in
their nuclei are called ________.
ions
neutrons
neutral atoms
isotopes
Which of the following statements is not true
Water is polar.
Water stabilizes temperature
Water is essential for life
Water is the most abundant molecule in the
Earth’s atmosphere.
