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 Actinium?
87
88
89
90
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Radium?
48
88
68
98
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Francium?
56
203
101
87
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Radon?
86
203
101
17
Correct answer is A
No explanation has been provided for this answer.
What is the atomic number of Astatine?
67
100
40
85
Correct answer is D
No explanation has been provided for this answer.