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Neptunium
Neptunium

Thorium
Thorium



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Neptunium
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Thorium

Facts About Neptunium and Thorium

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1 Facts
1.1 Interesting Facts
Not Available
  • 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
Made by Bombarding Uranium with Neutrons, Ores of metals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Jöns Jakob Berzelius
1.3.2 Discovery
In 1940
In 1829
1.4 Abundance
1.4.1 Abundance In Universe
NA3 * 10-4 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0004 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.05 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NA0.66 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4