What is the atomic number of Argon?
8
65
83
18
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Chlorine?
17
27
37
47
Correct answer is A
No explanation has been provided for this answer.
What is the atomic number of Sulfur?
11
16
49
60
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Phosphorus?
7
19
15
11
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Silicon?
1
44
83
14
Correct answer is D
No explanation has been provided for this answer.