What is the atomic number of Arsenic?
23
33
73
93
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Germanium?
22
32
42
62
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Gallium?
67
4
31
56
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Zinc?
10
20
30
40
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Copper?
11
29
33
50
Correct answer is B
No explanation has been provided for this answer.