Sulphur

ElementSulphurSymbolS
Atomic Number16Molar Mass32.07 gmol-1
Electron Configuration[Ne]3s23p4Normal Statesolid nonmetal
Density @STP2.09 g cm-3Melting Point115oC
Boiling Point445oCStable Isotopes32S, 33S, 34S, 36S
Atomic Radius104 pmIonic Radius184 (2-) pm
Electronegativity (Pauling)2.58Ionization Energy (1st)1000 kJ mol-1
Ionization Energy (2nd)2251 kJ mol-1Ionization Energy (3rd)3361 kJ mol-1
Molar Heat Capacity22.6 J K-1mol-1Standard Molar Entropy32.1 J K-1mol-1
Enthalpy of Fusion1.23 kJ mol-1Enthalpy of Vapourization9.62 kJ mol-1
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