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Gold
Gold

Francium
Francium



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Francium

Facts About Gold and Francium

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1 Facts
1.1 Interesting Facts
  • 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.
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Earth's crust, Mining, Ores of metals
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Unknown
Marguerite Perey
1.3.2 Discovery
Before 6000 BCE
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
6 * 10-8 %NA
Facts About Thallium
5E-09 0.11
2.1.3 Abundance In Sun
~0.0000001 %~-9999 %
Facts About Beryllium
1E-08 0.1
2.2.5 Abundance In Meteorites
0.00 %NA
Palladium
1.7E-07 22
3.1.1 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
3.2.1 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
3.4.2 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4