Phosphoro
Silicium ← Phosphoro → Sulfure | |
Apparentia | |
![]() | |
quatro typos de phosphoro existe: blanc, rubie, e minus communmente, violette e nigre | |
Proprietates atomic | |
Nomine, symbolo, numero | Phosphoro, P, 15 |
Serie chimic | nonmetallo |
Gruppo, periodo, bloco | 15, 3, p |
Configuration electronic | [Ne] 3s2 3p3 |
Electronegativitate | 2,19 |
Proprietates physic | |
Stato | solido |
Massa molar | 30,973762(2) g·mol−1 |
Densitate | (blanc) 1,823, (rubie) ≈ 2,2 – 2,34, (violette) 2,36, (nigre) 2,692 g·cm-3 |
Puncto de fusion | (blanc) 44,2 °C, (rubie, subl.) ≈ 416 – 590 °C, (violette, subl.) 620 °C, (nigre) 610 °C |
Puncto de ebullition | (blanc) 280,5 °C |
Calor de fusion | (blanc) 0,66 kJ·mol−1 |
Calor de vaporisation | (blanc) 12,4 kJ·mol−1 |
Calor specific | (blanc) 23,824 J·mol−1·K−1 |
Conductivitate thermal | (blanc) 0,236, (nigre) 12,1 W·m−1·K−1 |
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario. | |
Phosphoro es un elemento chimic de symbolo P e numero atomic 15. A causa de su reactivitate alte, non es trovar in un stato elemental. Le vaste majoritate de phosphoro es usate in fertilisantes, proque phosphoro es essential pro omne formas de vite.