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Thorium
Thorium
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Francium
Francium
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Facts About Thorium and Francium
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1 Facts
1.1 Interesting Facts
  • 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.
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Found in Minerals, Mining
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Jöns Jakob Berzelius
Marguerite Perey
1.3.2 Discovery
In 1829
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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3 * 10-4 %
Rank: 9 (Overall)▶
Not Available
Rank: N/A (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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~0.0004 %
Rank: 9 (Overall)▶
~-9999 %
Rank: N/A (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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0.05 %
Rank: 11 (Overall)▶
Not Available
Rank: N/A (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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0.66 %
Rank: 7 (Overall)▶
Not Available
Rank: N/A (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: 15 (Overall)▶
Not Available
Rank: N/A (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)▶
Not Available
Rank: N/A (Overall)▶
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Facts About Radium
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