Facts About Francium and Gold
Facts
Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- It is found in copper ores and from the crust of the earth.
- It is the most malleable and ductile metal.
- Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
Sources
Formed by Decay Process, Mining
Earth's crust, Mining, Ores of metals
History
Who Discovered
Marguerite Perey
Unknown
Discovery
In 1939
Before 6000 BCE
Abundance
Abundance In Universe
Not Available
6 * 10-8 %
26
Abundance In Sun
~-9999 %
~0.0000001 %
26
Abundance In Meteorites
Not Available
0.00 %
99+
Abundance In Earth's Crust
Not Available
0.00 %
99+
Abundance In Oceans
Not Available
0.00 %
21
Abundance In Humans
Not Available
0.00 %
18
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