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Protactinium
Protactinium

Lanthanum
Lanthanum



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Protactinium
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Lanthanum

Facts About Protactinium and Lanthanum

1 Facts
1.1 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.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Crookes
Carl Gustaf Mosander
1.3.2 Discovery
In 1900
In 1838
1.4 Abundance
1.4.1 Abundance In Universe
NA2 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0000002 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Tin
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4