Periodic table of the elements
SeleniumBromineKrypton
35
Br
Bromine
79.904
2
8
18
7
35
Br
Bromine
79.904
2
8
18
7
General
NameBromine
SymbolBr
Number35
Chemical seriesHalogens
Group / Period17 / 4
Blockp-block
CAS registry number7726-95-6

Physical properties
Stateliquid
Density3.119 g/cm3
Melting point265.8 K (-7.2 °C, 19 °F)
Boiling point332.0 K (58.8 °C, 137.8 °F)
Critical point588 K, 10.34 MPa

Atomic properties
Atomic Weight79.904 g/mol
Crystal structureorthorhombic
Electronegativity2.96
Atomic radius115 pm
Atomic radius (calculated)94 pm
Electron configuration[Ar] 4s2 3d10 4p5
Electrons per shell2, 8, 18, 7
Number of protons35
Number of neutrons45

Other languages
SpanishBromo
PortugueseBromo
FrenchBrome
GermanBrom
ItalianBromo
RussianБром
PolishBrom
Chinese
Arabicبروم
TurkishBrom
DutchBroom


Periodic table of the elements
SeleniumBromineKrypton