Facts About Francium and Osmium
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
Sources
Formed by Decay Process, Mining
Found As a By-product, Found in Minerals, Mining
Who Discovered
Marguerite Perey
Smithson Tennant
Discovery
In 1939
In 1803
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available