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Promethium
Promethium

Thulium
Thulium



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Promethium
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Thulium

Facts About Promethium and Thulium

1 Facts
1.1 Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
1.2 Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Per Teodor Cleve
1.3.2 Discovery
In 1942
In 1879
1.4 Abundance
1.4.1 Abundance In Universe
NA1 * 10-8 %
Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.00000002 %
Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.00 %
Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.00 %
Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Radium
1E-13 1.4