35
79.904 u
Br
Bromine
Halogen
Atomic Structure
Physical State
Group
17
Period
4
Block
p
Electron Configuration
[Ar] 3d¹⁰ 4s² 4p⁵
Physical Properties
Atomic Mass:
79.904 u
Electronegativity:
2.96
Atomic Radius:
183 pm
Ionization Energy:
11.814 eV
Density:
3.122 g/cm³
Melting Point:
265.8 K
Boiling Point:
332 K
Historical Information
Discovered By:
Antoine Jérôme Balard
Year Discovered:
1826