A chemical bond
is the mutual attraction between the nuclei and …….of different atoms that bind
the atoms together.
a) inner shell electrons
b) valence shell electrons
c) all electrons
d) none of these
Which of the following electrons are involved in chemical bonding?
a) inner shell electrons
b) valence shell electrons
c) all electrons
d) none of these
Which of the following electrons are called valence electrons?
a) electrons present in first shell
b) electrons present in last shell
c) electrons present in the inner shell
d) none of these
Exercise:
The valency of nitrogen is 3 and that of hydrogen is 1. The chemical formula of ammonia is……
a) NH
b) NH2
c) NH3
d) NH4
During the formation bond, metals tend to……
a) gain electrons
b) lose electrons
c) gain protons
d) lose neutrons
