3. atoms which contain 8 electrons
in their outer most shell can be
considered to be chemically
stable
The arrangement of 8 electrons
in the outermost shell of atom is
called octet electronic
configuration
4. He atom contains only one shell.
The maximum electron that can
be accommodated in the K shell
is 2. therefore the 2 electron
pattern system of He is stable.
8. The oppositely charged ions are held
together by electrostatic force of
attraction. Chemical bonding that
involves electrostatic force of
attraction between oppositely charged
ions are called ionic bonding
