1. Question :
(TCO 2) The atomic number of an atom is equal to the number of
Student Answer:
electrons plus protons.
nuclei.
neutrons plus protons.
protons.
neutrons.
Instructor
Explanation:
Chapter 3; The atom
...
1. Question :
(TCO 2) The atomic number of an atom is equal to the number of
Student Answer:
electrons plus protons.
nuclei.
neutrons plus protons.
protons.
neutrons.
Instructor
Explanation:
Chapter 3; The atomic number = number of protons
1921547766 MultipleChoice 2 True
0 1921547766 MultipleChoice 2
2. Question :
(TCO 2) Consider a neutral atom with 30 protons and 34 neutrons. The
atomic number of the element is
Student
Answer: 94.
30.
64.
32.
34.
Instructor
Explanation:
Chapter 3; Atomic number = number of protons. Therefore, in this case, the atomic
number = 30.
1921547767 MultipleChoice 5
0 1921547767 MultipleChoice 5
3. Question :
(TCO 2) No matter how much extra oxygen is available, 12 grams of
carbon always combines with 32 grams of oxygen. This best illustrates
the law of
Student Answer:
conservation of mass.
1. Question :
(TCO 3) The maximum number of electrons that may reside in the n=2
energy level is
Student Answer:
2.
3.
8.
10.
18.
Instructor Explanation: Chapter 3
1926461364 MultipleChoice 2 True
0 1926461364 MultipleChoice 2
2. Question :
(TCO 3) How many electrons are in a phosphorus atom?
Student Answer:
15
19
23
39
84
Instructor Explanation: Chapter 3
1926461365 MultipleChoice 5 True
0 1926461365 MultipleChoice 5
3. Question :
(TCO 3) Which is an impossible electron configuration?
Student Answer:
1s2
2s2
1s2
2s2
2p4
1s2
2s2 2p4
1. Question :
(TCO 5) A reaction that releases energy as it occurs is classified as a(n)
_____.
Student Answer:
catalyzed reaction
exothermic reaction
decomposition reaction
endothermic reaction
oxidation-reduction reaction
Instructor
Explanation:
Week 3 Lecture; Reactions that release energy are exothermic.
1931785666 MultipleChoice 1 True
0 1931785666 MultipleChoice 1
2. Question :
(TCO 5) What should be the coefficient of hydrogen, H2, in the following
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