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Periodic Table Practice
Test Description: Review of isotopes, atomic number, protons, neutrons, electrons, atomic mass, mass number, and symbols.
Instructions: Answer all questions to get your test result.
1) What is the atomic number of magnesium?
A
24.5
B
12
C
6
D
24
2) How many electrons does fluorine have?
A
18
B
19.0
C
9
D
4.5
3) How many neutrons does carbon-50 have?
A
44
B
6
C
12
D
12.0
4) What is the mass number of sulfur?
A
16
B
8
C
32.1
D
32
5) What is the mass number of aluminum-100?
A
13
B
100
C
27.0
D
26
6) How many protons does krypton have?
A
83.8
B
72
C
36
D
18
7) How many neutrons does calcium have?
A
20
B
40
C
10
D
40.1
8) What is the atomic mass of nickel?
A
29
B
58.7
C
25
D
58
9) How many protons does arsenic-100 have?
A
100
B
67
C
33
D
66
10) How many electrons does iron have?
A
26
B
52
C
13
D
55.8
*select an answer for all questions
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