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.
i
ii
i and ii
ii and iii
Correct answer is C
No explanation has been provided for this answer.
Which of the following oxides is ionic?
P4O10
MgO
Al2O3
SO2
Correct answer is B
No explanation has been provided for this answer.
The shape of a graphite crystal is
Tetrahedral
Pyramidal
Octahedral
Hexagonal
Correct answer is D
No explanation has been provided for this answer.
To which group and period respectively does an element with 15 electrons belong?
3 and 3
3 and 5
5 and 3
5 and 5
Correct answer is C
(P) Arsenic is the element with 15 electrons which is found in Group 5 and Period 3
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is
Covalent
Dative
Hydrogen bond
Ionic
Correct answer is B
No explanation has been provided for this answer.