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Chromium
Chromium

Promethium
Promethium



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Promethium

Facts About Chromium and Promethium

1 Facts
1.1 Interesting Facts
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
  • Promethium metal found in Pitchblende.
  • Promethium metal is highly radioactive metal.
1.2 Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Chien Shiung Wu, Emilio Segrè, Hans Bethe
1.3.2 Discovery
In Between 1797 - 1798
In 1942
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
1.5 * 10-3 %
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.002 %
Rank: 7 (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.30 %
Rank: 7 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.01 %
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
0.00 %
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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