Facts About Polonium and Francium
Interesting Facts
- 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.
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Sources
Mining, Ores of metals
Formed by Decay Process, Mining
Who Discovered
Pierre Curie and Marie Curie
Marguerite Perey
Discovery
In 1898
In 1939
Abundance In Oceans
Not Available