Facts About Francium and Polonium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Polonium was the first radioactive element to be discovered.
- Polonium element and its compounds are highly radioactive.
- Its alloy with Beryllium provides source of neutrons.
Sources
Formed by Decay Process, Mining
Mining, Ores of metals
Who Discovered
Marguerite Perey
Pierre Curie and Marie Curie
Discovery
In 1939
In 1898
Abundance In Oceans
Not Available