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Elements

Boron - B

The element Boron, atomic number 5, is formed from cosmic rays, which results from spallation.

      1. Name:
      2. Boron
      1. Symbol:
      2. B
      1. Atomic number (protons):
      2. 5
      1. How created:
      2. cosmic rays
      1. Process:
      2. spallation
      1. Group (column):
      2. 13
      1. Period (row):
      2. 2
      1. Atomic weight:
      2. 10.810000000
      1. Melting point:
      2. 2349 K
      1. Boiling point:
      2. 4200 K
      1. Density:
      2. 2.3400000 g/cm3

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