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Thulium
Thulium

Roentgenium
Roentgenium



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Thulium
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Roentgenium

Facts About Thulium and Roentgenium

1 Facts
1.1 Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
Not Available
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Per Teodor Cleve
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
In 1879
In 1994
1.4 Abundance
1.4.1 Abundance In Universe
1 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.00000002 %~-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
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4