Chlorine
Symbol: Cl
Atomic number: 17
Average Atomic Mass: 35.453
Group number: 17
Group name: Halogen
Period number: 3
Basic Information
For Chlorine the Atomic Mass: 35.4527 amu
Chlorines Melting Point: -100.98 °C (172.17 K, -149.764 °F)
Chlorines Boiling Point: -34.6 °C (238.55 K, -30.279997 °F)
Chlorine has 17 protons and electrons.
18 nutrons of Chlorine
Chorline has a Crystal Structure: Orthorhombic
Chorines density is at 293 K: 3.214 g/cm
Chorlines color is green
Number of Energy Levels: 3
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 7
Isotope Half Life
Cl-35 Stable
Cl-36 301000.0 years
Cl-37 Stable
Cl-38 37.2 minutes
Chlorine was descovered in 1774. It was discovered by Carl Wilhelm Scheele
Origin: the Greek word khlôros (green)
Chlorine uses Water purification and bleaches
Obtained from Salt
people use chlorine to clean out swimming pools.
Its a disinfectant and a purifier