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د ويکيپېډيا، وړیا پوهنغونډ له خوا
Bromine,  35Br
عمومي خواص
Pronunciation /ˈbrmn/ or /ˈbrmɪn/
BROH-meen or BROH-min
Bromine په دوراني جدول کې
Hydrogen (diatomic nonmetal)
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Germanium (metalloid)
Arsenic (metalloid)
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Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
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Actinium (actinide)
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Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)


اټومي شمیره (Z)35
گروپ, پیریودgroup 17 (halogens), period 4
Element category  diatomic nonmetal
معياري اټومي وزن (Ar)
  • [79.901, 79.907][۱]
  • conventional: 79.904
Electron configuration[Ar] 3d10 4s2 4p5
Electrons per shell
2, 8, 18, 7
فزیکي خواص
حالت (at STP)مايع
دويلې کيدو ټکى265.8 K ​(−7.2 °C, ​19 °F)
يشنا ټکی332.0 K ​(58.8 °C, ​137.8 °F)
Density near r.t.Br2, liquid: 3.1028 g/cm3
Triple point265.90 K, ​5.8 kPa[۲]
Critical point588 K, 10.34 MPa[۲]
Heat of fusion(Br2) 10.571 kJ/mol
Heat of vaporisation(Br2) 29.96 kJ/mol
Molar heat capacity(Br2) 75.69 J/(mol·K)
Vapour pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 185 201 220 244 276 332
اټومي خواص
Oxidation states7, 5, 4, 3, 1, −1 ​(a strongly acidic oxide)
ElectronegativityPauling scale: 2.96
Ionisation 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
Crystal structureorthorhombic
Orthorhombic crystal structure for bromine
Orthorhombic crystal structure for bromine
Speed of sound206 m/s (at 20 °C)
د تودوخې تېرېدنه0.122 W/(m·K)
Electrical resistivity7.8×1010 Ω·m (at 20 °C)
Magnetic orderingdiamagnetic[۳]
Magnetic susceptibility (χmol)−56.4·10−6 cm3/mol[۴]
CAS Number7726-95-6
Discovery and first isolationAntoine Jérôme Balard and Carl Jacob Löwig (1825)
Main isotopes of bromine
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
79Br 51% stable
81Br 49% stable
| references | in Wikidata

برومين (په انگرېزي: Bromine) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Br سمبول او ۳۵ اتمي شمېرې په وسیله ښودل شوی دی.




د استعمال ځایونه[سمول]


  1. Meija, J.; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265–91. doi:10.1515/pac-2015-0305. منځګړی |CitationClass= له پامه غورځول شوی (لارښود)
  2. ۲٫۰ ۲٫۱ کينډۍ:RubberBible92nd
  3. Lide, D. R., سمونګر (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (چاپ 86th). Boca Raton (FL): CRC Press. د کتاب نړيواله کره شمېره 0-8493-0486-5. منځګړی |CitationClass= له پامه غورځول شوی (لارښود)
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. مخونه E110. د کتاب نړيواله کره شمېره 0-8493-0464-4. منځګړی |CitationClass= له پامه غورځول شوی (لارښود)

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