1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Scandium is known as one of the rare earth elements.
- Scandium metal found in rare minerals called Wolframite .
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Crookes
Lars Fredrik Nilson
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~0.000004 %
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