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 Ruthenium?
16.7
28
44
44.5
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Technetium?
11
43
87
120
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Molybdenum?
17
22
30
42
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Niobium?
18
23
41
64
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Zirconium?
37
38
39
40
Correct answer is D
No explanation has been provided for this answer.