برومين

Bromine, ₃₅Br
عمومي خواص
Pronunciation	/ˈbroʊmiːn/ or /ˈbroʊmɪn/ ; BROH-meen or BROH-min
Appearance	reddish-brown
Bromine په دوراني جدول کې
selenium ← bromine → krypton	‍
اټومي شمیره (Z)	35
گروپ, پیریود	group 17 (halogens), period 4
بلاک	p-block
Element category	diatomic nonmetal
معياري اټومي وزن (Ar)	[79.901, 79.907]; conventional: 79.904;
Electron configuration	[Ar] 3d10 4s2 4p5
Electrons per shell	2, 8, 18, 7
فزیکي خواص
حالت (at STP)	مايع
دويلې کيدو ټکى	265.8 K (−7.2 °C, 19 °F)
يشنا ټکی	332.0 K (58.8 °C, 137.8 °F)
Density near r.t.	Br2, liquid: 3.1028 g/cm3
Triple point	265.90 K, 5.8 kPa
Critical point	588 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·K)
اټومي خواص
Oxidation states	7, 5, 4, 3, 1, −1 (a strongly acidic oxide)
Electronegativity	Pauling scale: 2.96
Ionisation energies	1st: 1139.9 kJ/mol ; 2nd: 2103 kJ/mol ; 3rd: 3470 kJ/mol ; ;
Atomic radius	empirical: 120 pm
Covalent radius	120±3 pm
Van der Waals radius	185 pm
Miscellanea
Crystal structure	orthorhombic Orthorhombic crystal structure for bromine
Speed of sound	206 m/s (at 20 °C)
د تودوخې تېرېدنه	0.122 W/(m·K)
Electrical resistivity	7.8×1010 Ω·m (at 20 °C)
Magnetic ordering	diamagnetic
Magnetic susceptibility (χmol)	−56.4·10−6 cm3/mol
CAS Number	7726-95-6
History
Discovery and first isolation	Antoine Jérôme Balard and Carl Jacob Löwig (1825)
Main isotopes of bromine
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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.

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سرچينې

↑ Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)
1 2 کينډۍ:RubberBible92nd
↑ 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.
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

دا ليکنه نابشپړه ده، تاسې ددې ليکنې په بشپړولو کې د ويکيپېډيا سره مرسته کولای شئ.

[CIAAW2016-1] Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

[b92-2] 1 2 کينډۍ:RubberBible92nd

[3] 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.

[4] Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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