# Posporo

| Phosphorus |
| --- |
| **15P** |
|

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| N ↑ **P** ↓ As |

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Periodic table |

 |  |
|  | silicon ← **phosphorus** → sulfur |

 |
| Panagway |
| colourless, waxy white, yellow, scarlet, red, violet, black  waxy white (yellow cut), red (granules centre left, chunk centre right), and violet phosphorus |
| Kinatibuk-ang mga kinaiya |
| Ngalan, simbolo, kaiphan | phosphorus, P, 15 |
| Paglitok | /ˈfɒsfərəs/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all**-fər-əs*]] |
| Kategoriyang elemento | wala puthaw |
| Group, period, block | 15, 3, p |
| Gibug-aton sa atomo | 30.973762(2) |
| Kontorno sa elektron | [Ne] 3s2 3p3 2, 8, 5
Electron shells of phosphorus (2, 8, 5) |
| History |
| Pagkadiskobre | Hennig Brand   (1669)  |
| Recognized as an element by | Antoine Lavoisier (1777) |
| Physical properties |
| Phase | magahi |
| Density (near r.t.) | (white) 1.823, (red) ≈ 2.2 – 2.34, (violet) 2.36, (black) 2.69 g·cm−3 |
| Melting point | (white) 44.2 °C, (black) 610 °C |
| Sublimation point | (red) ≈ 416 – 590  °C, (violet) 620 °C |
| Boiling point | (white) 280.5 °C |
| Heat of fusion | (white) 0.66 kJ·mol−1 |
| Heat of vapourisation | (white) 12.4 kJ·mol−1 |
| Molar heat capacity | (white) 23.824 J·mol−1·K−1 |
| Vapour pressure (white) |
|

|  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| at T (K) | 279 | 307 | 342 | 388 | 453 | 549 |

 |
| Vapour pressure (red, bp. 431 °C) |
|

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

 |
| Atomic properties |
| Oxidation states | **5**, 4, 3, 2, 1, −1, −2, −3 (mildly acidic oxide) |
| Electronegativity | 2.19 (Pauling scale) |
| Ionisation energies (more) | 1st: 1011.8 kJ·mol−1 |
| 2nd: 1907 kJ·mol−1 |
| 3rd: 2914.1 kJ·mol−1 |
| Covalent radius | 107±3 pm |
| Van der Waals radius | 180 pm |
| Miscellanea |
| Crystal structure | triclinic
 |
| Magnetic ordering | (white, red, violet, black) diamagnetic |
| Thermal conductivity | (white) 0.236, (black) 12.1 W·m−1·K−1 |
| Bulk modulus | (white) 5, (red) 11 GPa |
| CAS registry number | 7723-14-0 |
| Most stable isotopes |
| Main article: Isotopes of phosphorus |
|

| iso | NA | half-life | DM | DE (MeV) | DP |
| --- | --- | --- | --- | --- | --- |
| 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
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Ang **posporo** (Iningles *phosphorus*) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga **P** ug kaiphan nga atomik 15. Ang posporo mao ang wala puthaw.

## Ang mga gi basihan niini

## Galeriya sa hulagway

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