Chemical Bonding And Reactions - Study Mode
[#46] An element 'A' forms oxides with the formula Al 2 O 3 . What is the valency of element A?
Correct Answer
(B) 3
[#47] Proton play an important role in which type of bonding?
Correct Answer
(D) Coordinate
[#48] How many valence electrons are there in a graphite atom?
Correct Answer
(A) Four
[#49] Which of the following bond is the weakest?
Correct Answer
(C) Vander Waals' forces
[#50] In ionic compounds, ions attract each other and are strongly joined by . . . . . . . .
Correct Answer
(A) electrostatic forces