Mercury

From BioMineWiki

Jump to: navigation, search

A silvery-white poisonous metallic element that is liquid at room temperature. Mercury occurs uncombined in nature to a limited extent. The metal is obtained commercially from cinnabar, a mercuric sulfide ore that is separated by roasting the ore in air.

Characteristics

  • Chemical symbol Hg
  • Atomic number 80
  • Atomic weight 200.59
  • Melting point −38.87°C
  • Boiling point 356.58°C
  • Specific gravity 13.546 (at 20°C)
  • Valence 1, 2.

Applications

It is used in thermometers, barometers, vapour lamps, and batteries and in the preparation of chemical pesticides.

Personal tools