Chlorine

Chlorine is a halogen and a highly reactive gas. It is commonly used in disinfection and water treatment.

Atomic Structure

chlorine atom electronic configuration

Atomic Information

Property	Value
Atomic Number	17
Symbol	Cl
Atomic Mass	35.45 u
Electron Configuration	1s² 2s² 2p⁶ 3s² 3p⁵
State at Room Temperature	Gas

Uses of Chlorine

Used in disinfectants and water purification.
Vital in the production of PVC (polyvinyl chloride).
Used in bleach for cleaning and stain removal.