# බ්‍රෝමීන්

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| selenium ← **බ්‍රෝමීන්** → krypton |
| Cl ↑ **Br** ↓ I |

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**35Br**
ආවර්තිතා වගුව |

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| මුහුණුවර |
| gas/liquid: red-brown solid: metallic luster  |
| ප්‍රධාන ගුණ |
| නම, සංකේතය, ක්‍රමාංකය | බ්‍රෝමීන්, Br, 35 |
| උච්චාරණය | /ˈbroʊmiːn/ *BROH-meen* or /ˈbroʊm~~ɪ~~n/ *BROH-min* |
| මූලද්‍රව්‍ය කාණ්ඩය | halogen |
| කාණ්ඩය, ආවර්තය, ගොනුව | 17, 4, p |
| සාපේක්ෂ පරමාණුක ස්කන්ධය | 79.904(1) g·mol−1 |
| ඉලෙක්ට්‍රෝන වින්‍යාසය | [Ar] 4s2 3d10 4p5 |
| කවච වල ඇති ඉලෙක්ට්‍රෝන සංඛ්‍යාව | 2, 8, 18, 7 |
| ද්‍රව්‍යමය ගුණ |
| අවධිය | liquid |
| ඝනත්වය (කා.උ. දී) | (Br2, liquid) 3.1028 g·cm−3 |
| ද්‍රවාංකය | 265.8 K, -7.2 °C, 19 °F |
| තාපාංකය | 332.0 K, 58.8 °C, 137.8 °F |
| අවධි ලක්ෂ්‍යය | 588 K, 10.34 MPa |
| විලයන එන්තැල්පිය | (Br2) 10.571 kJ·mol−1 |
| වාෂ්පීභවන එන්තැල්පිය | (Br2) 29.96 kJ·mol−1 |
| විශිෂ්ට තාප ධාරිතාව | (25 °C) (Br2) 75.69 J·mol−1·K−1 |
| වාෂ්ප පීඩනය |
|

|  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| පීඩ. (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| උෂ්. (K) | 185 | 201 | 220 | 244 | 276 | 332 |

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| පරමාණුක ගුණ |
| ඔක්සිකරණ අංකය | **7**, **5**, 4, **3**, **1**, **-1** (strongly acidic oxide) |
| විද්‍යුත් ඍණතාව | 2.96 (පෝලිං පරිමාණයෙන්) |
| අයනීකරණ ශක්ති | 1වන: 1139.9 kJ·mol−1 |
| 2වන: 2103 kJ·mol−1 |
| 3වන: 3470 kJ·mol−1 |
| පරමාණුක අරය | 120 pm |
| සහසංයුජ අරය | 120±3 pm |
| වැන්ඩ වාල්ස් අරය | 185 pm |
| ප්‍රකීර්ණක |
| ස්එටික ආකෘතිය | orthorhombic |
| චුම්බකත්වය | diamagnetic |
| විද්‍යුත් ප්‍රතිරෝධිතාව | (20 °C) 7.8×1010Ω·m |
| තාප සන්නායකතාව | (300 K) 0.122 W·m−1·K−1 |
| ධ්වනි වේගය | (20°C) 206 m/s |
| CAS ලේඛනගත අංකය | 7726-95-6 |
| ඉතාමත් ස්ථායී සමස්ථානික |
| ප්‍රධාන ලිපිය: බ්‍රෝමීන් වල සමස්ථානික |
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| සමස්. | ස්.සු. | අර්ධ ජීව කාලය | ක්.නිය. | ක්.ශ. (MeV) | ක්.නිශ්. |
| --- | --- | --- | --- | --- | --- |
| 79Br | 50.69% | 79Br is stable with 44 neutrons |
| 81Br | 49.31% | 81Br is stable with 46 neutrons |

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**බ්‍රෝමීන්** (/iconˈbroʊmiːn/ *BROH-meen* or /ˈbroʊm~~ɪ~~n/ *BROH-min*) යනු Br යන සංකේතයෙන් හැඳින්වෙන පරමාණුක ක්‍රමාංකය 35ක්වූ හැලජනයකි.

## මූලාශ්‍ර