# පොස්පරස්

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| සිලිකන් ← **phosphorus** → සල්ෆර් |
| N ↑ **P** ↓ As |

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**15P**
ආවර්තිතා වගුව |

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| මුහුණුවර |
| අවර්ණ, ඇලෙන සුළු සුදු, කහ, තද රතු පාට, රතු, දම්, කළු  waxy white (yellow cut), red (granules center left, chunk center right), and violet phosphorus |
| ප්‍රධාන ගුණ |
| නම, සංකේතය, ක්‍රමාංකය | phosphorus, P, 15 |
| උච්චාරණය | /ˈfɒsfərəs/ *FOS-fər-əs* |
| මූලද්‍රව්‍ය කාණ්ඩය | අලෝහ |
| කාණ්ඩය, ආවර්තය, ගොනුව | 15, 3, p |
| සාපේක්ෂ පරමාණුක ස්කන්ධය | 30.973762(2) g·mol−1 |
| ඉලෙක්ට්‍රෝන වින්‍යාසය | [Ne] 3s2 3p3 |
| කවච වල ඇති ඉලෙක්ට්‍රෝන සංඛ්‍යාව | 2, 8, 5 |
| ද්‍රව්‍යමය ගුණ |
| ඝනත්වය (කා.උ. දී) | (white) 1.823, (red) ≈ 2.2 – 2.34, (violet) 2.36, (black) 2.69 g·cm−3 |
| ද්‍රවාංකය | (white) 44.2 °C, (black) 610 °C |
| ඌර්ධවපානාංකය | (red) ≈ 416 – 590  °C, (violet) 620 °C |
| තාපාංකය | (white) 280.5 °C |
| විලයන එන්තැල්පිය | (white) 0.66 kJ·mol−1 |
| වාෂ්පීභවන එන්තැල්පිය | (white) 12.4 kJ·mol−1 |
| විශිෂ්ට තාප ධාරිතාව | (25 °C) (white) 23.824 J·mol−1·K−1 |
| වාෂ්ප පීඩනය (white) |
|

|  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| පීඩ. (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| උෂ්. (K) | 279 | 307 | 342 | 388 | 453 | 549 |

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| වාෂ්ප පීඩනය (red, bp. 431 °C) |
|

|  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| at T (K) | 455 | 489 | 529 | 576 | 635 | 704 |

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| පරමාණුක ගුණ |
| ඔක්සිකරණ අංකය | **5**, 4, 3, 2, 1 , -1, -2, -3 (mildly acidic oxide) |
| විද්‍යුත් ඍණතාව | 2.19 (පෝලිං පරිමාණයෙන්) |
| අයනීකරණ ශක්ති | 1වන: 1011.8 kJ·mol−1 |
| 2වන: 1907 kJ·mol−1 |
| 3වන: 2914.1 kJ·mol−1 |
| සහසංයුජ අරය | 107±3 pm |
| වැන්ඩ වාල්ස් අරය | 180 pm |
| ප්‍රකීර්ණක |
| චුම්බකත්වය | (white,red,violet,black) diamagnetic |
| තාප සන්නායකතාව | (300 K) (white) 0.236, (black) 12.1 W·m−1·K−1 |
| නිකර මාපාංකය | (white) 5, (red) 11 GPa |
| CAS ලේඛනගත අංකය | 7723-14-0 |
| ඉතාමත් ස්ථායී සමස්ථානික |
| ප්‍රධාන ලිපිය: phosphorus වල සමස්ථානික |
|

| සමස්. | ස්.සු. | අර්ධ ජීව කාලය | ක්.නිය. | ක්.ශ. (MeV) | ක්.නිශ්. |
| --- | --- | --- | --- | --- | --- |
| 31P | 100% | 31P is stable with 16 neutrons |
| 32P | syn | 14.28 d | β− | 1.709 | 32S |
| 33P | syn | 25.3 d | β− | 0.249 | 33S |

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| * v
* t
* e
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**පොස්පරස්** යනු පරමාණුක ක්‍රමාංකය 15 වූ මූලද්‍රව්‍යයයි. එහි රසායනික සංකේතය P ය. පොස්පරස් ඒක පරමාණුක ඝණයකි. ආවර්තිතා වගුවේ V (5) කාණ්‍ඩයේ සිටී. ෆොස්පරස් කහ හෝ රතු පැහැතිය. පොස්පරස් හි ඉලෙට්‍රොනික වින්‍යාසය 2,8,5 වේ. ආවර්තය 3 වන අතර කාන්ඩය V වේ. සාදන ප්‍රධාන අයනය -3 වේ. ප්‍රධාන සංයුජතාව 3 වේ. පොස්පරස් අලෝහයකි.දහන ද්‍රවට්‍යකි

## මූලාශ්‍ර