Element Phosphorus (P)

Atomic number 15 · nonmetal · Atomic mass 30.974 u

Atomic Mass
30.9740 u
Element Properties
Atomic Number 15
Atomic Mass 30.9740 u
Category nonmetal / 非金属
Group 15
Period 3
Block P
Electron Configuration [Ne] 3s² 3p³
Electronegativity (Pauling) 2.19
Phase at STP Solid
Density 1.823 g/cm³
Year Discovered 1669

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