Brómìnì

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Bromine
35Br
Cl

Br

I
seleniumBrominekrypton
Ìhànsójú
gas/liquid: red-brown
solid: metallic luster
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà Bromine, Br, 35
Ìpèlóhùn /ˈbroʊmiːn/ BROH-meen
or /ˈbroʊmɨn/ BROH-min
Ẹ̀ka ẹ́límẹ̀nti halogen
Ẹgbẹ́, àsìkò, àdìpò 174, p
Ìwúwo átọ́mù 79.904(1)
Ìtòléra ẹ̀lẹ́ktrónì [Ar] 4s2 3d10 4p5
2, 8, 18, 7
Physical properties
Phase liquid
Density (near r.t.) (Br2, liquid) 3.1028 g·cm−3
Melting point 265.8 K, -7.2 °C, 19 °F
Boiling point 332.0 K, 58.8 °C, 137.8 °F
Critical point 588 K, 10.34 MPa
Heat of fusion (Br2) 10.571 kJ·mol−1
Heat of vaporization (Br2) 29.96 kJ·mol−1
Molar heat capacity (Br2)
75.69 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 185 201 220 244 276 332
Atomic properties
Oxidation states 7, 5, 4, 3, 1, -1
(strongly acidic oxide)
Electronegativity 2.96 (Pauling scale)
Ionization energies 1st: 1139.9 kJ·mol−1
2nd: 2103 kJ·mol−1
3rd: 3470 kJ·mol−1
Atomic radius 120 pm
Covalent radius 120±3 pm
Van der Waals radius 185 pm
Miscellanea
Crystal structure orthorhombic
Bromine has a orthorhombic crystal structure
Magnetic ordering diamagnetic[1]
Electrical resistivity (20 °C) 7.8×1010Ω·m
Thermal conductivity 0.122 W·m−1·K−1
Speed of sound (20°C) 206 m·s−1
CAS registry number 7726-95-6
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù Bromine
iso NA half-life DM DE (MeV) DP
79Br 50.69% 79Br is stable with 44 neutrons
81Br 49.31% 81Br is stable with 46 neutrons
· r


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.