Facts About Dubnium and Francium
Interesting Facts
- IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
- In the production of Dubnium, thermal gradient chromatography is used.
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Sources
Produced by Bombarding Am243 with Ne22, Synthetically Produced
Formed by Decay Process, Mining
Who Discovered
Joint Institute for Nuclear Research
Marguerite Perey
Discovery
In 1968
In 1939