Basic Information

Name: Mercury 
Symbol: Hg 
Atomic Number: 80 
Atomic Mass: 200.59 amu 
Melting Point: -38.87 °C (234.28 K, -37.966 °F) 
Boiling Point: 356.58 °C (629.73 K, 673.844 °F) 
Number of Protons/Electrons: 80 
Number of Neutrons: 121 
Classification: Transition Metal 
Crystal Structure: Rhombohedral 
Density @ 293 K: 13.456 g/cm3 
Color: Silver
Date of Discovery: Known to the ancients 
Discoverer: Unknown 
Name Origin: After the planet Mercury 
Symbol Origin: From the Latin word hydrargyrum (liquid silver) 
Uses: thermometers, barometers, fluorescent lamps, batteries 
Obtained From: cinnabar ore