Facts About Francium and Thallium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Compounds of Thallium metal are highly Toxic.
- Thallium metal is being suspected as a human carcinogen.
Sources
Formed by Decay Process, Mining
Found As a By-product, Ores of metals, Ores of Minerals
Who Discovered
Marguerite Perey
William Crookes
Discovery
In 1939
In 1861
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