80 Hg 200.5923

Mercury

TRANSITION METAL

Phase: Liquid

Discovered: unknown, before 2000 BCE

Block: D

Summary

Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (/haɪˈdrɑːrdʒərəm/). 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 these conditions is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.

Appearance: silvery

Source: Wikipedia

Physical Properties

Atomic Mass 200.5923 u

Density 13.534 g/cm³

Melting Point 234.321 K

Boiling Point 629.88 K

Molar Heat 27.983 J/(mol·K)

Electron Affinity -48 kJ/mol

Ionization Energies

1^st: 1007.1 kJ/mol

2^nd: 1810 kJ/mol

3^rd: 3300 kJ/mol