Facts About Francium and Nobelium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- The most stable isotope of Nobelium metal is No-259.
- No-259 has a half-life of fifty-eight minutes.
Sources
Formed by Decay Process, Mining
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining
Who Discovered
Marguerite Perey
Joint Institute for Nuclear Research
Discovery
In 1939
In 1966