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Elements

Krypton - Kr

The element Krypton, atomic number 36, is formed from Type II supernova, which results from star core collapse.

      1. Name:
      2. Krypton
      1. Symbol:
      2. Kr
      1. Atomic number (protons):
      2. 36
      1. How created:
      2. Type II supernova
      1. Process:
      2. star core collapse
      1. Group (column):
      2. 18
      1. Period (row):
      2. 4
      1. Atomic weight:
      2. 83.798000000
      1. Melting point:
      2. 115.79 K
      1. Boiling point:
      2. 119.93 K
      1. Density:
      2. 0.0037330 g/cm3

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