Fosfor

15 SilisiumfosforSvávul
N

P

As

Skeiðbundna skipanin
Útsjónd

vokshvítt/svart/reytt/litleyst
Alment
Navn: Fosfor
Evnafrøðiligt tekn: P
Atomnummar: 15
Atommassi: 30,973762 g/mol
Frumevnisseria: fast evni
Bólkur: 15
Perioda: 3
Blokkur: p
Elektronsamanseting: [Ne] 3s² 3p3
Elektronir pr. skal: 2, 8, 5
Atomradius: 100 pm
Kovalent radius: 106 pm
Van der Waals radius: 180 pm
Evnafrøðiligir eginleikar
Oxidatiónstrin: 5, 4, 3, 2, 1, -3
Elektronegativitetur: 2,19 (Paulings skala)
Alisfrøðiligir eginleikar
Tilstandsformur: fast evni
Smeltipunkt: 44,2 °C
Mekaniskir eginleikar

Fosfor er eitt frumevni, ið er nummar 15 í skeiðbundnu skipaninini.

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