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K) Vapour pressureP (Pa)1101001 k10 k100 kat T (K)185201220244276332Atomic propertiesOxidation states−1, 1, 3, 4, 5, 7 (a strongly acidic oxide)ElectronegativityPauling scale: 2.96 Ionisation energies1st: 1139.9 kJ/mol 2nd: 2103 kJ/mol 3rd: 3470 kJ/mol Atomic radiusempirical: 120 pm Covalent radius120☓ pm Van der Waals radius185 pm Spectral lines of bromineOther propertiesNatural occurrenceprimordialCrystal structure orthorhombicSpeed of sound206 m/s (at 20 ☌)Thermal conductivity0.122 W/(m.
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From Wikipedia, the free encyclopedia Jump to navigation Jump to search chemical element with atomic number 35Chemical element with atomic number 35Bromine, 35BrBrominePronunciation/broʊmiːn, -mɪn, -maɪn/ (BROH-meen, -min, -myn)Appearancereddish-brownStandard atomic weight Ar, std(Br) conventional: 79.904Bromine in the periodic tableHydrogenHeliumLithiumBerylliumBoronCarbonNitrogenOxygenFluorineNeonSodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgonPotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromineKryptonRubidiumStrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodineXenonCaesiumBariumLanthanumCeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercury (element)ThalliumLeadBismuthPoloniumAstatineRadonFranciumRadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessineOganessonCl↑Br↓ I selenium ← bromine → kryptonAtomic number (Z)35Groupgroup 17 (halogens)Periodperiod 4 Blockp-block Element category reactive nonmetalElectron configuration 3d10 4s2 4p5Electrons per shell2, 8, 18, 7Physical propertiesPhase at STPliquidMelting point265.8 K (−7.2 ☌, 19 ☏) Boiling point332.0 K (58.8 ☌, 137.8 ☏) Density (near r.t.)Br2, liquid: 3.1028 g/cm3Triple point265.90 K, 5.8 kPa Critical point588 K, 10.34 MPa Heat of fusion(Br2) 10.571 kJ/mol Heat of vaporisation(Br2) 29.96 kJ/mol Molar heat capacity(Br2) 75.69 J/(mol