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Thorium
Thorium

Neptunium
Neptunium



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Thorium
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Neptunium

Facts About Thorium and Neptunium

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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.
Not Available
1.2 Sources
Found in Minerals, Mining
Made by Bombarding Uranium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Jöns Jakob Berzelius
Edwin McMillan and Philip H. Abelson
1.3.2 Discovery
In 1829
In 1940
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
1.4.5 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4