1 Facts
1.1 Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- At room temperature mercury is found in a liquid state.
- A coin of pound or rupees floats in mercury.
- Because of its low melting point and boiling point it is used in thermometers.
1.2 Sources
Found in Uranium Ores, Mining, Ores of metals
Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Crookes
Ancient Chinese and Indians
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans