Facts About Francium and Rhodium
Facts
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Rhodium is the rarest element out of all non-radioactive metals on the earth .
- Rhodium is one of the most durable and hard metal, which also have high reflectance.
Sources
Formed by Decay Process, Mining
Earth's crust, Found As a By-product, Found in Minerals, Mining
History
Who Discovered
Marguerite Perey
William Hyde Wollaston
Discovery
In 1939
In 1804
Abundance
Abundance In Universe
Not Available
6 * 10-8 %
26
Abundance In Sun
~-9999 %
~0.0000002 %
25
Abundance In Meteorites
Not Available
0.00 %
36
Abundance In Earth's Crust
Not Available
0.00 %
99+
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