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bromine
Image: Wikimedia Commons

bromine

Chemical element with symbol Br and atomic number 35

Chemical elementchemical elementlithophile elementQ879

Also known as element 35 · Br · ₃₅Br

Symbol
  • Br
Atomic number
Mass
Melting point
  • 265.8 K
Boiling point
  • 331.7 K
Density
  • 3,995.22 kg/m³
Discovered by
Discovered
  • 1825

Overview

All data

122 statements · 17% with external sources · numbers in brackets are citations

IPA transcription
Subclass of
Ionization energy
Location of discovery
Electronegativity
  • 3
Unicode character
Part of
Named after
Ionic radius
  • 1.96 ångström coordination number: 6 · charge number: -1
  • 0.31 ångström charge number: 5 · coordination number: 3
  • 0.25 ångström charge number: 7 · coordination number: 4
  • 0.39 ångström charge number: 7 · coordination number: 6
Different from
Associated hazard
Made from material
Space group
Crystal system
Bulk modulus
  • 4.11B Pa
Shear modulus
  • 2.9B Pa
Poisson's ratio
  • 0.215
Thermal conductivity
  • 0.12 watt per metre kelvin
Point group
Has characteristic
Electron configuration
Oxidation state
  • -1
  • 1
  • 3
  • 5
  • 0
  • 2
  • 4
  • 7
Atomic radius
  • 115 picometre
Covalent radius
  • 120 picometre
Van der Waals radius
  • 183 picometre

On other databases

57 identifiers linking bromine across the web's reference databases