Template:Infobox bromine

Bromine, ₃₅Br

Bromine
Pronunciation	/ˈbroʊmiːn, -mɪn/ ​(BROH-meen, -min)
Appearance	gas/liquid: red-brown solid: metallic luster
Standard atomic weight Ar, std(Br)	[7001799010000000000♠79.901, 7001799070000000000♠79.907] conventional: 7001799040000000000♠79.904
Bromine in the periodic cairt
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gowd Mercur (element) Thallium Leid (element) Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium Cl ↑ Br ↓ I selenium ← bromine → krypton
Atomic nummer (Z)	35
Group	group 17 (halogens)
Period	period 4
Block	p-block
Element category	Reactive nonmetal
Electron confeeguration	[Ar] 3d10 4s2 4p5
Electrons per shell	2, 8, 18, 7
Pheesical properties
Phase at STP	liquid
Meltin pynt	265.8 K ​(-7.2 °C, ​19 °F)
Bylin pynt	332.0 K ​(58.8 °C, ​137.8 °F)
Density (near r.t.)	(Br2, liquid) 3.1028 g/cm3
Treeple pynt	265.90 K, ​5.8 kPa
Creetical pynt	588 K, 10.34 MPa
Heat o fusion	(Br2) 10.571 kJ/mol
Heat o vapourisation	(Br2) 29.96 kJ/mol
Molar heat capacity	(Br2) 75.69 J/(mol·K)
Vapour pressur P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 185 201 220 244 276 332
Atomic properties
Oxidation states	−1, +1, +3, +4, +5, +7 strangly acidic
Electronegativity	Pauling scale: 2.96
Atomic radius	empirical: 120 pm
Covalent radius	120±3 pm
Van der Waals radius	185 pm
Colour lines in a spectral range Spectral lines o bromine
Ither properties
Naitural occurrence	primordial
Creestal structur	​orthorhombic
Speed o soond	(20°C) 206 m/s
Thermal conductivity	0.122 W/(m·K)
Electrical resistivity	7.8×1010 Ω·m (at 20 °C)
Magnetic orderin	diamagnetic
CAS Nummer	7726-95-6
History
Diskivery	Antoine Jérôme Balard an Leopold Gmelin (1825)
First isolation	Antoine Jérôme Balard an Leopold Gmelin (1825)
Main isotopes o bromine
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct 79Br 50.69% stable 81Br 49.31% stable

style="text-align:left"| data m.p. cat
	in	calc from C	diff	report	ref
C
—	—
K	265.8	265.9	-0.1
F	19	19.0	0
WD	!
input	C: -7.2, K: 265.8, F: 19
comment

style="text-align:left"| data b.p. cat
	in	calc from C	diff	report	ref
C	58.8	—	—
K	332.0	331.9	0.1
F	137.8	137.8	0
WD	!
input	C: 58.8, K: 332.0, F: 137.8
comment

References

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