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Americium
Americium

Curium
Curium



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Curium

Facts About Americium and Curium

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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).
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
1.2 Sources
Obtained By Bombarding Plutonium with Neutrons
Bombarding Plutonium with Helium Ions
1.3 History
1.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
1.3.2 Discovery
In 1944
In 1944
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Thallium
5E-09 0.11
1.4.2 Abundance In Sun
NANA
Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Radium
1E-13 1.4