Elements of group 16,17 18

Topics covered in this notes are:

• Electronic configuration

Atomic & Physical properties

Anamalous behaviour of oxygen

Anamalous behaviour of flourine

Chemical reactivity

Allotropy

Compounds of ऑक्सिजन

Simple oxides

Ozone depletion

Compounds of sulfer

Chlorine & It's Compounds

Uses of helium, neon & argon