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Elements

Astatine - At

The element Astatine, atomic number 85, is formed from nucelar decay, which results from .

      1. Name:
      2. Astatine
      1. Symbol:
      2. At
      1. Atomic number (protons):
      2. 85
      1. How created:
      2. nucelar decay
      1. Group (column):
      2. 17
      1. Period (row):
      2. 6
      1. Atomic weight:
      2. 210.000000000
      1. Melting point:
      2. 575 K
      1. Boiling point:
      2. 610 K
      1. Density:
      2. 7.0000000 g/cm3

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