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Protactinium
Protactinium

Lanthanum
Lanthanum



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Lanthanum

Facts About Protactinium and Lanthanum

Facts

Interesting Facts

  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • Lanthanum metal is highly malleable, ductile and sectile.
  • If exposed to air Lanthanum metal oxidizes rapidly.

Sources

Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals

History

Who Discovered

William Crookes
Carl Gustaf Mosander

Discovery

In 1900
In 1838

Abundance

Abundance In Universe

0.00 %0.00 %
0 0.11
👆🏻

Abundance In Sun

0.00 %0.00 %
0 0.1
👆🏻

Abundance In Meteorites

-0.00 %
0 22
👆🏻

Abundance In Earth's Crust

0.00 %0.00 %
1E-37 8.1
👆🏻

Abundance In Oceans

0.00 %0.00 %
0 1.1
👆🏻

Abundance In Humans

0.00 %0.00 %
0 1.4
👆🏻