1 Facts
1.1 Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
1.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Jean Charles Galissard de Marignac
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.2.4 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
1.2.6 Abundance In Meteorites
1.2.7 Abundance In Earth's Crust
1.2.8 Abundance In Oceans
1.2.9 Abundance In Humans