Inside Of Atom - Atomic Number & Mass Quiz #2
10 Questions
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Questions and Answers
- 1.If lithium has an atomic number of 3 and a mass number of 7, the correct number of protons, neutrons, and electrons, respectively, is:
- A.
3,4,3
- B.
4,3,3
- C.
3,3,4
- D.
4,4,3
- 2.If Magnesium has an atomic number of 12 and a mass number of 24, the correct number of protons, neutrons, and electrons, respectively, is:
- A.
8,10,12
- B.
12,12,12
- C.
12,24,12
- D.
24,12,12
- 3.If Zinc has an atomic number of 30 and a mass number of 65, the correct number of protons, neutrons, and electrons, respectively, is:
- A.
30,35,35
- B.
30,35,30
- C.
35,30,35
- D.
95,65,30
- 4.If Bromine has an atomic number of 35 and has 45 neutrons, what is its mass number?
- A.
35
- B.
45
- C.
10
- D.
80
- 5.If Aluminum has an atomic number of 13 and has 14 neutrons, what is its mass number?
- A.
1
- B.
27
- C.
13
- D.
14
- 6.If Uranium's atomic number is 92 and it has 10 neutrons, how many protons does it have?
- A.
102
- B.
92
- C.
10
- D.
82
- 7.If Sodium has an atomic number of 11 and a mass number of 23, how many protons, neutrons, and electrons does it have, respectively?
- A.
11,12,12
- B.
12,11,12
- C.
11,12,11
- D.
12,12,11
- 8.If Phosphorus has an atomic mass of 30 and 15 neutrons, how many protons does it has?
- A.
15
- B.
45
- C.
30
- D.
60
- 9.If carbon has an atomic mass of 12 and 6 neutrons, how many protons and electrons does it have, respectively?
- A.
6,6
- B.
6,12
- C.
12,6
- D.
24,6
- 10.If Potassium has 19 protons, 19 electrons, and 20 neutrons, what is its atomic mass?
- A.
1
- B.
58
- C.
39
- D.
29
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