Mercury
Symbol
Hg
Atomic Number
80
Atomic Weight
200.59
Element Classification
Discovered By
Known to the ancients.
Discovery Date
n/a (Unknown)
Name Origin
The Roman god Mercury; symbol from Latin: hydrargyrus (liquid silver).
Density(g/cc)
13.546 (@ +20°C)
Melting Point
234.28
Boiling Point(K)
629.73
Appearance
Heavy, silver-white metal that is in its liquid state at
Atomic Radius(pm)
157
Atomic Volume(cc/mol)
14.8
Covalent Radius(pm)
149
Ionic Radius
110 (+2e) 127 (+1e)
Specific Heat
0.138
Fusion Heat
2.295
Evaporation Heat(kj/mol)
58.5
Thermal Conductivity(@25°C W/m K)
8.3
Debye Temperature
100.00
Pauling Negativity Number
2.00
First Ionizing Energy(kj/mol)
1006.0
Oxidation States
2, 1
Electronic Configuration
[Xe] 4f14 5d10 6s2
Lattice Structure
Rhombohedral(RHL)
Lattice Constant
2.990
Lattice C/A Ratio
n/a