Facts About Francium and Terbium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
Sources
Formed by Decay Process, Mining
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Who Discovered
Marguerite Perey
Carl Gustaf Mosander
Discovery
In 1939
In 1842
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available