Facts About Francium and Holmium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Marguerite Perey
Marc Delafontaine
Discovery
In 1939
In 1878
Abundance In Universe
Not Available
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available