Introduction
The attractive force which keeps the atoms together in substances
is called …………
a) affinity
b) vital force
c) atomic pull
d) bond
All the elements and compound are formed by the combination of atoms except ……….
a) alkali metals
b) Halogens
c) alkaline earth metals
d) noble gases
Molecules are formed by the combination of ……….. elements.
a) same
b) different
c) a & b both
d) none of these
Atoms combine with another by a process called ………….
a) chemical bonding
b) distillation
c) sublimation
a) filtration
Why do atoms form chemical bond:
