Facts About Francium and Silver
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- It is the most reflective element.
- Silver is the second most ductile metal after Gold.
- It is also used in Dentistry as a dental alloys for clips and crowning.
Sources
Formed by Decay Process, Mining
Earth's crust, Found in Minerals, Ores of metals
Who Discovered
Marguerite Perey
Unknown
Discovery
In 1939
Before 5000 BC
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available