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:  2323 
Density:        5445 g/cm3
Melting Point:  54.75 °C
 Boiling Point: 76 °C