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.
helium
ozone
oxygen
methane
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Oganesson?
115
118
123
139
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Tennessine?
117
118
119
120
Correct answer is A
No explanation has been provided for this answer.
What is the atomic number of Livermorium?
110
114
116
118
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Moscovium?
100.4
122
115
118
Correct answer is C
No explanation has been provided for this answer.