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Americium
Americium

Francium
Francium



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Facts About Americium and Francium

1 Facts
1.1 Interesting Facts
  • Americium metal is produced by bombarding Plutonium with Neutrons.
  • Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
1.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Formed by Decay Process, Mining
1.3 History
1.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Marguerite Perey
1.3.2 Discovery
In 1944
In 1939
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4