Facts About Protactinium and Thorium
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- 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.
Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining
Who Discovered
William Crookes
Jöns Jakob Berzelius
Discovery
In 1900
In 1829
Abundance In Meteorites
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Abundance In Earth's Crust