Periodic Table
80
Hg
200.59
Mercury
Transition MetalOnly metal liquid at RT; Hg₂²⁺ dimeric +1; toxic.
Electronic Configuration
[Xe] 4f¹⁴ 5d¹⁰ 6s²or1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d¹⁰ 6s²
Electron shells
2e⁻n=1
8e⁻n=2
18e⁻n=3
32e⁻n=4
18e⁻n=5
2e⁻n=6
Properties
Atomic number
80
Atomic mass
200.59 u
Category
Transition Metal
Block / Group / Period
d · 12 · 6
Valence electrons
2
Oxidation states
+1, +2
Electronegativity
2
Atomic radius
171 pm
Ionization energy
1007 kJ/mol
Electron affinity
0 kJ/mol
Melting point
234 K / -39 °C
Boiling point
630 K / 357 °C
Density
13.5336 g/cm³
State at 25 °C
liquid
Personal Notes
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