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Osmium
Osmium

Thulium
Thulium



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Osmium
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Thulium

Facts About Osmium and Thulium

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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.
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
1.2 Sources
Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Per Teodor Cleve
1.3.2 Discovery
In 1803
In 1879
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-7 %1 * 10-8 %
Facts About Thallium
5E-09 0.11
2.1.2 Abundance In Sun
~0.0000002 %~0.00000002 %
Facts About Beryllium
1E-08 0.1
2.2.1 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
2.2.4 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
2.4.4 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
2.4.8 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4