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.
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
1.2 Sources
Formed by Decay Process, Mining
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Charles Hatchett
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.3 Abundance In Sun
~-9999 %~0.0000004 %
1E-08
0.1
1.4.5 Abundance In Meteorites
1.4.6 Abundance In Earth's Crust
1.5.1 Abundance In Oceans
1.5.2 Abundance In Humans