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Osmium
Osmium

Barium
Barium



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Barium

Facts About Osmium and Barium

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1 Facts
1.1 Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
1.2 Sources
Found As a By-product, Found in Minerals, Mining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Carl Wilhelm Scheele
1.3.2 Discovery
In 1803
In 1772
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-7 %1 * 10-6 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000002 %~0.000001 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %0.03 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA0.00 %
Facts About Radium
1E-13 1.4