1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Neodymium is not found free in nature, hence it is not a native metal.
- Neodymium metal found in minerals like Monazite and Bastnaesite.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
William Crookes
Carl Auer von Welsbach
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~0.0000003 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans