Symbol: S Atomic mass: 32.065 u ± 0.005 u Electron configuration: [Ne] 3s²3p⁴ Atomic number: 16 Melting point: 115.2 °C Electrons per shell: 2, 8, 6
Sulphur is a chemical element with symbol S and atomic number 16. It is abundant, multivalent, and is a non-metal. It has an atomic weight (average mass of the atom) of 32.065 and a density of 2.067 grams per cubic centimetre. Its phase at room temperature is solid. Sulphur's melting point is 115.21 degrees Celsius and its boiling point is 444.6 degrees C. Its number of isotopes (atoms of the same element with a different number of neutrons) is 23 and is most common isotopes are S-32, S-33, S-34 and S-36.
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