1 Facts
1.1 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.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Marguerite Perey
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~0.0000002 %~-9999 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans