Phosphorus or P

• atomic number is 15

• atomic weight is 30.97376

• color is Colorless

• state at 298.15°k is Solid

• classification is Nonmetelic

• date of discovery is 1669

• density kg/m^3 is 1820

• melting point is 317.45

• boiling point is 630.15 K

• group is Nonmetal

• Number of neutron is 16