Facts About Francium and Thorium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Thorium metal is used as an alternate option over Uranium for nuclear fuel.
- Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
Sources
Formed by Decay Process, Mining
Found in Minerals, Mining
Who Discovered
Marguerite Perey
Jöns Jakob Berzelius
Discovery
In 1939
In 1829
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