Diamond is a hard substance because its carbon atoms are held by
A.
delocalised electrons
B.
strong electrostatic forces
C.
van der walls forces
D.
strong directional covalent bonds
Answer: D
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.