×

Protactinium
Protactinium

Radium
Radium



ADD
Compare
X
Protactinium
X
Radium

Facts About Protactinium and Radium

Facts

Interesting Facts

  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.

Sources

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

History

Who Discovered

William Crookes
-

Discovery

In 1900
In 1898

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 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
👆🏻