M4 Bonding:
Covalent Bonding
Slide 11 of 54
Covalent bond in MOLECULAR elements
They can combine
to SHARE ONE PAIR OF ELECTRONS and form a hydrogen molecule, each atom contributing one electron to the shared pair.
In so
doing, both hydrogen atoms acquire completely filled outer shell (2 electrons) and
become stable.
Electronic
configuration: 1 1 1+1 = 2 1+1 = 2
outer shell NOT full outer shell NOT full outer shell full
energetically unstable energetically
unstable energetically
stable
H
H
H2