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Protactinium
Protactinium
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Chromium
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Protactinium
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Facts About Protactinium and Chromium
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1 Facts
1.1 Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • 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.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Crookes
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1900
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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Not Available
Rank: N/A (Overall)▶
1.5 * 10-3 %
Rank: 7 (Overall)▶
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Facts About Thallium
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1.4.2 Abundance In Sun
Facts About Iron
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~-9999 %
Rank: N/A (Overall)▶
~0.002 %
Rank: 7 (Overall)▶
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Facts About Beryllium
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1.4.3 Abundance In Meteorites
Facts About Iron
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Not Available
Rank: N/A (Overall)▶
0.30 %
Rank: 7 (Overall)▶
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Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 57 (Overall)▶
0.01 %
Rank: 13 (Overall)▶
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Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 47 (Overall)▶
0.00 %
Rank: 16 (Overall)▶
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Facts About Protactinium
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1.4.6 Abundance In Humans
Facts About Cal..
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Not Available
Rank: N/A (Overall)▶
0.00 %
Rank: 16 (Overall)▶
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Facts About Radium
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