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Fermium
Fermium

Mendelevium
Mendelevium



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Fermium
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Mendelevium

Facts About Fermium and Mendelevium

1 Facts
1.1 Interesting Facts
  • Fermium metal is highly radioactive in nature.
  • Fermium is synthetically produced metal.
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
1.2 Sources
Bombarding Pu-239 with Neutrons
Bombarding Einsteinium with Helium Ions
1.3 History
1.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory
1.3.2 Discovery
In 1952
In 1955
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