Brómìnì
Chemical element with atomic number 35Àdàkọ:SHORTDESC:Chemical element with atomic number 35
Bromine, 35Br |
Bromine |
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Pípè | /ˈbroʊmiːn,_ʔmɪn,_ʔmaɪn/ (BROH-meen-,_--min-,_-) |
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Ìhànsójú | gas/liquid: red-brown solid: metallic luster |
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Ìwúwo átọ̀mù Ar, std(Br) | [79.901, 79.907] conventional: 79.904 |
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Bromine ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 35 |
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Ẹgbẹ́ | group 17 (halogens) |
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Àyè | àyè 4 |
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Àdìpọ̀ | Àdìpọ̀-p |
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Ẹ̀ka ẹ́límẹ́ntì | Reactive nonmetal |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Ar] 3d10 4s2 4p5 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 7 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | liquid |
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Ìgbà ìyọ́ | 265.8 K (-7.2 °C, 19 °F) |
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Ígbà ìhó | 332.0 K (58.8 °C, 137.8 °F) |
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Kíki (near r.t.) | (Br2, liquid) 3.1028 g/cm3 |
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Critical point | 588 K, 10.34 MPa |
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Heat of fusion | (Br2) 10.571 kJ/mol |
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Heat of | (Br2) 29.96 kJ/mol |
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Molar heat capacity | (Br2) 75.69 J/(mol·K) |
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pressure
P (Pa)
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1
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10
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100
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1 k
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10 k
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100 k
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at T (K)
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185
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201
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220
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244
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276
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332
|
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Atomic properties |
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Oxidation states | −1, +1, +3, +4, +5, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 2.96 |
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Atomic radius | empirical: 120 pm |
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Covalent radius | 120±3 pm |
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Van der Waals radius | 185 pm |
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Spectral lines of Bromine |
Other properties |
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Natural occurrence | primordial |
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Crystal structure | orthorhombic |
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Speed of sound | (20°C) 206 m/s |
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Thermal conductivity | 0.122 W/(m·K) |
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Electrical resistivity | 7.8×1010 Ω·m (at 20 °C) |
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Magnetic ordering | diamagnetic[1] |
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CAS Number | 7726-95-6 |
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Main isotopes of Bromine |
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Isotope
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Abundance
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Half-life (t1/2)
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Decay mode
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Product
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79Br
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50.69%
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79Br is stable with 44 neutrons
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81Br
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49.31%
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81Br is stable with 46 neutrons
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Àdàkọ:Category-inline | references |
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