35
Br
79.904
Bromine
Element 35 · 79.904 u · p-block
nonmetal
One of only two elements liquid at room temperature. A dense, reddish-brown fuming liquid with a strong odor.
Phase (STP)
Liquid
Melting Point
-7.2 °C
Boiling Point
58.8 °C
Density
3.122 g/cm³
Electronegativity
2.96
Atomic Radius
115 pm
Ionization Energy
1140 kJ/mol
Electron Affinity
325 kJ/mol
Discovered
1826 · Antoine Jerome Balard
Electron Configuration
[Ar] 3d10 4s2 4p5
Electron Orbitals
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