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Yttrium
Yttrium

Promethium
Promethium



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Yttrium
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Promethium

Facts About Yttrium and Promethium

1 Facts
1.1 Interesting Facts
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Johan Gadolin
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1794
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~-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