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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
24
D
6
2) How many electrons does fluorine have?
A
4.5
B
18
C
19.0
D
9
3) How many neutrons does carbon-50 have?
A
12.0
B
6
C
12
D
44
4) What is the mass number of sulfur?
A
32
B
16
C
32.1
D
8
5) What is the mass number of aluminum-100?
A
26
B
100
C
13
D
27.0
6) How many protons does krypton have?
A
18
B
36
C
72
D
83.8
7) How many neutrons does calcium have?
A
40
B
20
C
40.1
D
10
8) What is the atomic mass of nickel?
A
25
B
58.7
C
29
D
58
9) How many protons does arsenic-100 have?
A
100
B
67
C
66
D
33
10) How many electrons does iron have?
A
26
B
55.8
C
52
D
13
*select an answer for all questions
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