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Francium
Francium

Berkelium
Berkelium



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Francium
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Berkelium

Facts About Francium and Berkelium

1 Facts
1.1 Interesting Facts
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
1.2 Sources
Formed by Decay Process, Mining
Bombarding Americium with Alpha Particles.
1.3 History
1.3.1 Who Discovered
Marguerite Perey
Lawrence Berkeley National Laboratory
1.3.2 Discovery
In 1939
In 1949
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.5.1 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.6.1 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.1.1 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.2.1 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.2.2 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4