What is the atomic number of Aluminum?
33
4
13
18
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Magnesium?
5
35
76
12
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Sodium?
31
11
51
91
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Neon?
10
20
30
40
Correct answer is A
No explanation has been provided for this answer.
What is the atomic number of Fluorine?
32
101
9
27
Correct answer is C
No explanation has been provided for this answer.