Template:Infobox bromine

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Bromine,  35Br
Template:Infobox element/symbol-to-top-image-alt
General properties
PronunciationTemplate:Infobox element/pronunciation
Appearancereddish-brown
Standard atomic weight (Ar, standard)Template:Infobox element/standard atomic weight
Mass numberTemplate:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Bromine in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)35
GroupTemplate:Infobox element/group
Periodperiod 4
Blockp-block
Element categoryTemplate:Infobox element/category format
Electron configuration[Ar] 3d10 4s2 4p5
Electrons per shell
2, 8, 18, 7
Physical properties
Phase at STPliquid
Melting point265.8 K ​(−7.2 °C, ​19 °F)
Boiling point332.0 K ​(58.8 °C, ​137.8 °F)
Density (near r.t.)Br2, liquid: 3.1028 g/cm3
Triple point265.90 K, ​5.8 kPa[1]
Critical point588 K, 10.34 MPa[1]
Heat of fusion(Br2) 10.571 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]](Br2) 29.96 kJ/mol
Molar heat capacity(Br2) 75.69 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]]
Atomic properties
Oxidation statesTemplate:Infobox element/symbol-to-oxidation-state
ElectronegativityPauling scale: 2.96
[[Ionization energy|Template:Engvar energies]]
  • 1st: 1139.9 kJ/mol
  • 2nd: 2103 kJ/mol
  • 3rd: 3470 kJ/mol
Atomic radiusempirical: 120 pm
Covalent radius120±3 pm
Van der Waals radius185 pm
Template:Infobox element/spectral lines
Other properties
Crystal structureTemplate:Infobox element/crystal structure
Speed of sound206 m/s (at 20 °C)
Thermal conductivity0.122 W/(m·K)
Electrical resistivity7.8×1010 Ω·m (at 20 °C)
Magnetic orderingdiamagnetic[2]
Magnetic susceptibility−56.4·10−6 cm3/mol[3]
CAS Number7726-95-6
History
Discovery and first isolationAntoine Jérôme Balard and Carl Jacob Löwig (1825)
Main isotopes of bromine
Template:Infobox element/isotopes table
| references

Template:Infobox element/element navigation Template:Template reference list Expression error: Unrecognized word "template".

  1. 1.0 1.1 Template:RubberBible92nd
  2. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.