Atomic Element Z = 16 • Reactive Nonmetal

Sulfur (S) — Atomic Data, Electron Shells & Reactions

Sulfur (symbol S, atomic number 16) has a standard atomic weight of 32.06 u and ground-state configuration [Ne] 3s2 3p4.

← 15 P Full Atlas 17 Cl →

IUPAC Physical & Atomic Properties

Atomic Number (Z) 16 IUPAC Symbol S Standard Atomic Weight 32.06 g/mol Period / Group / Block 3 / 16 / p-block Condensed Electron Config [Ne] 3s2 3p4 Full Subshell Config 1s2 2s2 2p6 3s2 3p4 Principal Shell Occupancy [2, 8, 6] Pauling Electronegativity 2.58 First Ionization Energy 1000 kJ/mol Covalent Radius 105 pm Melting Point 388.36 K (115.21 °C) Boiling Point 717.8 K (444.65 °C) Density 2.067 g/cm³ Oxidation States +6, +4, -2

Bohr Shell Diagram & Balanced Reactions

S (Z=16) — Valence shell highlighted in vermilion

Interactive Stoichiometry Reactions Involving Sulfur:

K4[Fe(CN)6] + H2SO4 + H2O -> K2SO4 + FeSO4 + (NH4)2SO4 + CO H2SO4 + NaOH -> Na2SO4 + H2O FeS2 + O2 -> Fe2O3 + SO2 I2 + Na2S2O3 -> NaI + Na2S4O6 KMnO4 + H2C2O4 + H2SO4 -> K2SO4 + MnSO4 + CO2 + H2O