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Protactinium
Protactinium

Mendelevium
Mendelevium



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Protactinium
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Mendelevium

Facts About Protactinium and Mendelevium

1 Facts
1.1 Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Bombarding Einsteinium with Helium Ions
1.3 History
1.3.1 Who Discovered
William Crookes
Lawrence Berkeley National Laboratory
1.3.2 Discovery
In 1900
In 1955
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.5.2 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
1.6.3 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.7.2 Abundance In Oceans
0.00 %NA
Tin
2E-23 1.1
1.8.1 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4