Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
What is the atomic number of Potassium?
42
19
18
89
Correct answer is B
No explanation has been provided for this answer.
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.