Facts About Lanthanum and Protactinium
Interesting Facts
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
- 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
Carl Gustaf Mosander
William Crookes
Discovery
In 1838
In 1900
Abundance In Meteorites
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Abundance In Earth's Crust