کينډۍ:Infobox bromine

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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Element navigation

PTbrominePT

Se ←

iso
35Br

ibox E

wd:Q879

→ Kr

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