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Promethium
Promethium

Niobium
Niobium



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Promethium
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Niobium

Facts About Promethium and Niobium

1 Facts
1.1 Interesting Facts
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
1.2 Sources
Found in Minerals, Mining
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Charles Hatchett
1.3.2 Discovery
In 1942
In 1801
1.4 Abundance
1.4.1 Abundance In Universe
NA2 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.4 Abundance In Sun
~-9999 %~0.0000004 %
Facts About Beryllium
1E-08 0.1
2.3.1 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
2.5.2 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
2.6.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
2.7.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4