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Elements

Chlorine - Cl

The element Chlorine, atomic number 17, is formed from Type II supernova, which results from star core collapse.

      1. Name:
      2. Chlorine
      1. Symbol:
      2. Cl
      1. Atomic number (protons):
      2. 17
      1. How created:
      2. Type II supernova
      1. Process:
      2. star core collapse
      1. How created (secondary):
      2. Type Ia supernova
      1. Process (secondary):
      2. white dwarf explosion
      1. Group (column):
      2. 17
      1. Period (row):
      2. 3
      1. Atomic weight:
      2. 35.450000000
      1. Melting point:
      2. 171.6 K
      1. Boiling point:
      2. 239.11 K
      1. Density:
      2. 0.0032140 g/cm3

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