The outer shell of each atom have crossed over each other.
Each atom shares its valence electron with the other atom.
(co-operation)
Electronic
configuration: 2, (7 +1 = 8) 2, (7 +1 = 8)
outer shell full outer shell full
energetically stable energetically
stable
All group 7 elements are DIATOMIC due to this BONDING.
Again the two atoms
are held together because both the nuclei attract the shared pair of
electrons.