Facts About Mercury and Protactinium
Interesting Facts
- 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.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Ancient Chinese and Indians
William Crookes
Discovery
Before 2000 BCE
In 1900
Abundance In Meteorites
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Abundance In Earth's Crust