1 Facts
1.1 Interesting Facts
- Manganese is an essential trace element in all forms of life.
- Manganese metal oxidizes very easily, but it does not fuse that easily.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Johann Gottlieb Gahn
William Crookes
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~0.001 %~-9999 %
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