Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. The only other element that is liquid under room temperature.

Atomic Weight: 35.233
Density        52.223 g/cm^3.
Melting Point: 53.53
Boiling Point: 73.34