Mercury (Hg) is a chemical element belonging to the category Transition metal, with atomic number 80 and atomic mass 200.5900 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Stays within its layerAstronomy
Neighbourhood in the graph
Above, what contains it; below, what it contains; on the right, what links it to another layer.
Astronomy · Chemical element
Mercury
EL28
Identity
Name: Mercury
Symbol: Hg
Atomic number: 80
Atomic mass: 200.5900 u
Position in the periodic table
Group: 12
Period: 6
Category: Transition metal
Physico-chemical properties
Standard state: Liquid
Melting point: -39°C
Density: Very high
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s²
Scientific description
Mercury is a chemical element with symbol Hg and atomic number 80.
It belongs to the category of transition metals and occupies group 12 and period 6.
Its standard atomic mass is 200.5900 u.