×

Lanthanum
Lanthanum

Protactinium
Protactinium



ADD
Compare
X
Lanthanum
X
Protactinium

Facts About Lanthanum and Protactinium

Facts

Interesting Facts

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

Sources

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

History

Who Discovered

Carl Gustaf Mosander
William Crookes

Discovery

In 1838
In 1900

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
👆🏻