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Rhodium
Rhodium

Promethium
Promethium



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Promethium

Facts About Rhodium and Promethium

1 Facts
1.1 Interesting Facts
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Earth's crust, Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
William Hyde Wollaston
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In 1804
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
6 * 10-8 %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