Facts About Protactinium and Mercury
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.
Sources
Found in Uranium Ores, Mining, Ores of metals
Mining, Ores of Minerals
Who Discovered
William Crookes
Ancient Chinese and Indians
Discovery
In 1900
Before 2000 BCE
Abundance In Meteorites
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Abundance In Earth's Crust