# Bromo

| Bromine |
| --- |
| **35Br** |
|

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| Cl ↑ **Br** ↓ I |

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Periodic table |

 |  |
|  | selenium ← **bromine** → krypton |

 |
| Panagway |
| gas/liquid: red-brown solid: metallic luster  |
| Kinatibuk-ang mga kinaiya |
| Ngalan, simbolo, kaiphan | bromine, Br, 35 |
| Paglitok | /ˈbroʊmiːn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all**-meen*]] or /ˈbroʊmᵻn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all**-min*]] |
| Kategoriyang elemento | halogen |
| Group, period, block | 17, 4, p |
| Gibug-aton sa atomo | 79.904(1) |
| Kontorno sa elektron | [Ar] 4s2 3d10 4p5 2, 8, 18, 7
Electron shells of bromine (2, 8, 18, 7) |
| History |
| Pagkadiskobre | Antoine Jérôme Balard and Leopold Gmelin   (1825)  |
| First isolation | Antoine Jérôme Balard and Leopold Gmelin   (1825)  |
| Physical properties |
| Phase | likido |
| 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
 |
| Magnetic ordering | diamagnetic |
| 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 |
| Most stable isotopes |
| Main article: Isotopes of 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 |

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| * v
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Ang **bromo** (Iningles *bromine*) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga **Br** ug kaiphan nga atomik 35. Ang bromo mao ang halogen.

## Ang mga gi basihan niini

## Galeriya sa hulagway

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