Facts About Francium and Technetium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
Sources
Formed by Decay Process, Mining
Made by Bombarding Molybdenum with Deuterons
Who Discovered
Marguerite Perey
Emilio Segrè and Carlo Perriero
Discovery
In 1939
In 1937