Facts About Samarium and Protactinium
Interesting Facts
- Samarium metals helps stimulating body metabolism.
- Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Lecoq de Boisbaudran
William Crookes
Discovery
In 1879
In 1900
Abundance In Meteorites
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Abundance In Earth's Crust