- Atomic Radius (Å)
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.
80
Atomic Number
200.59
Atomic Mass (u)
234.43
Melting Point (K)
630
Boiling Point (K)
13.53
Density (solid: g/cm³, gas: g/liter)
1.8
Atomic Radius (Å)
1.32
Covalent Radius (Å)
2
Electronegativity
10.44
First Ionization Energy (eV)
-48
Electron Affinity
6
Number of Shells
2, 8, 18, 32, 18, 2
Electron Shell Occupations
0.14
Specific Heat (J/g)