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Protactinium
Protactinium

Thorium
Thorium



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Protactinium
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Thorium

Facts About Protactinium and Thorium

1 Facts
1.1 Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
William Crookes
Jöns Jakob Berzelius
1.3.2 Discovery
In 1900
In 1829
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
Not Available
Rank: N/A (Overall)
3 * 10-4 %
Rank: 9 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~-9999 %
Rank: N/A (Overall)
~0.0004 %
Rank: 9 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
Not Available
Rank: N/A (Overall)
0.05 %
Rank: 11 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 57 (Overall)
0.66 %
Rank: 7 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 47 (Overall)
0.00 %
Rank: 15 (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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