Facts About Mercury and Promethium
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.
  
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
Sources
Mining, Ores of Minerals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Ancient Chinese and Indians
  
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Discovery
Before 2000 BCE
  
In 1942
  
Abundance
  
  
Abundance In Earth's Crust
Not Available