17 Cl 35.45

Chlorine

Category: Halogen | State: Gas

Atomic Properties

Atomic Number 17
Atomic Mass 35.45
Electronic Configuration [Ne] 3s² 3p⁵

Periodic Table Placement

Group 17
Period 3
Block p-block

Physical Properties & Discovery

Melting Point -101.5°C
Boiling Point -34.04°C
Density 0.003214 g/cm³
Discovered By Carl Wilhelm Scheele (1774)

Frequently Asked Questions about Chlorine