Question

Give reason for :
a) Solids cannot be compressed
b) Gases are highly diffusible
c) Atom is electrically neutral

Answer 1

(a) They are rigid and compact due to strong intermolecular force.

(b) Due to weak intermolecular force between the gas particles they are loosely held and hence can freely move.

(c) Atom consists of proton, neutron and electron. And number of protons= number of electrons.