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Osmium
Osmium

Actinium
Actinium



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Osmium
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Actinium

Facts About Osmium and Actinium

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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.
Not Available
1.2 Sources
Found As a By-product, Found in Minerals, Mining
Obtained by Treating Radium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Friedrich Oskar Giesel
1.3.2 Discovery
In 1803
In 1902
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