PERIODIC TABLE

Phosphorus

Atomic No. 15 P Phosphorus

About Phosphorus

Phosphorus is a nonmetal with atomic number 15 that occurs in several elemental forms and a broad range of inorganic compounds. Phosphates are used in fertilizers, specialty glasses and ceramics, and lithium iron phosphate is a cathode material for rechargeable batteries. Phosphorus also acts as a dopant in silicon, allowing small additions to control the semiconductor's electrical behavior.

Properties

Atomic Number
15
Atomic Symbol
P
Atomic Mass
30.9738
CAS No.
7723-14-0
Density
1.823 g/cm³
Series
other nonmetal
Melting Point
44.2°C
Boiling Point
280.5°C
Thermal Conductivity
0.00236 W/cm °C
Heat of Fusion
0.64 kJ/mol
Heat of Vaporization
12.4 kJ/mol
Electronegativity
2.19 pauling
Crystal Structure
Triclinic
Electrical Conductivity
1×107 S/m

Phosphorus Products

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