Facts About Yttrium and Protactinium
Interesting Facts
- Yttrium Metal is highly toxic.
- Yttrium Metal is highly reactive in nature hence not found free in nature.
- 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
Johan Gadolin
William Crookes
Discovery
In 1794
In 1900
Abundance In Meteorites
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Abundance In Earth's Crust