M4 The
Periodic Table: Halogens
Slide 9 of 45
Why DIAtoMIc?
BOTH
fluorine atoms have BONDED together in order to fill their outer shells and become energetically stable.
The 2 atoms
shared: CO-operated with their VALENT (valence) electrons.
COVALENT
BOND
BOND
All
the Halogens are DIATOMIC due to this BONDING.