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Praseodymium
Praseodymium

Thorium
Thorium



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Praseodymium
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Facts About Praseodymium and Thorium

1 Facts
1.1 Interesting Facts
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
  • 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 Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Not Available
Jöns Jakob Berzelius
1.3.2 Discovery
In 1885
In 1829
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
2 * 10-7 %
Rank: 22 (Overall)
3 * 10-4 %
Rank: 9 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.0000001 %
Rank: 26 (Overall)
~0.0004 %
Rank: 9 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 40 (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: 27 (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: 39 (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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