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Barium Elemental barium does not occur naturally. It is obtained by heating BaO with Al and, once refined, barium is a silvery white, soft metal which oxidises readily in air and water. Barium compounds, particularly BaSO4 , are used for various applications, including the manufacture of paint, as an addition to heavy duty drilling oils and in radiology.
- Symbol
- Ba
- Discovered
- Discovered by the Swedish pharmacist and chemist Carl Wilhelm Scheele in 1774 and first isolated by the British chemist Humphry Davy in 1808.
- Abundance
- 500 ppm of Earth's crust.
Click on an item to paste into clipboard or use clipboard symbol at end to clipboard all values | Atomic number | 56 | | Clip | | Atomic / Molecular Weight | 137.33 | gmol-1 | Clip | | Density | 3594 | kgm-3 | Clip | | Crystal Structure | bcc | | Clip | | Lattice constant | 502 | fm | Clip | | Melting Point | 1003 | K | Clip | | Boiling Point | 1913 | K | Clip | | Specific heat capacity | 192 | Jkg-1K-1 | Clip | | Electromotive Series | 2.9 | V | Clip |
 paste all data into clipboard See also: Barium Dioxide, Barium Oxide, Barium Sulphate, Baryta, Periodic Table, Radium.
  
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