Basic Information
Name: chlorine
Symbol: C
Classification: Chlorine is a halogen and a nonmetal
color:bgreenish-yellow
Atomic weight:35.453
state: gas
Melting Point: -101 oC , 172 K
Boiling Point: -34 oC , 239 K
Shells: 2,8,7
Electron configuration: 1s2 2s2 2p6 3s2 3p5
Density @ 20oC: 0.003214 g/cm3
Atomic volume: 22.7 cm3/mol
Structure: hcp: layers of Cl2 in solid
Hardness: