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Osmium
Osmium

Promethium
Promethium



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Osmium
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Promethium

Facts About Osmium and Promethium

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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.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1803
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000002 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4