Mercury was discovered by Known since ancient times at no data in not known.
Origin of name: named after the planet "Mercury" (the origin of the symbol Hg is the Latin word "hydrargyrum"
meaning "liquid silver").
Atomic Number: 80
Atomic Weight: 200.59
Melting Point: 234.32 K (-38.83°C or -37.89°F)
Boiling Point: 629.88 K (356.73°C or 674.11°F)
Density: 13.5336 grams per cubic centimeter
Phase at Room Temperature: Liquid
Element Classification: Metal
Period Number: 6 Group Number: 12 Group Name: none