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Phosphorus ( P )

Material Information

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Atomic Properties

Atomic number 15
Atomic radius - Goldschmidt ( nm ) 0.109
Atomic weight ( amu ) 30.97
Electronic structure Ne 3s2 p3
Ionisation potential No. eV
1 10.49
2 19.72
3 30.18
4 51.37
5 65.02
6 220.43
Natural isotope distribution Mass No. %
31 100
Thermal neutron absorption cross-section ( Barns ) 0.19
Valences shown ±3, 4, 5

Physical Properties

Boiling point ( C ) 280 (White allotrope)
Density @20C ( g cm-3 ) 1.82
Melting point ( C ) 44.1 (White allotrope)

Buy Phosphorus on-line

We stock and supply the following standard forms:
Film
Film

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Index