Facts About Iridium and Francium
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
Sources
Found in Minerals, Mining, Ores of Minerals
Formed by Decay Process, Mining
Who Discovered
Smithson Tennant
Marguerite Perey
Discovery
In 1803
In 1939
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available