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Thorium
Thorium

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
3 * 10-4 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0004 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.05 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.66 %NA
Facts About Radium
9.9E-12 8.1
1.2.1 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.2.2 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4