a. Si
b. NaF
c. Al
d. Ar
Ans. a
Explanation : Silicon is a covalent crystal in which constituent particles are atoms.
(8)
5/5 - (1 vote)
a. Si
b. NaF
c. Al
d. Ar
Ans. a
Explanation : Silicon is a covalent crystal in which constituent particles are atoms.
(8)