Atomic Element Z = 6 • Reactive Nonmetal

Carbon (C) — Atomic Data, Electron Shells & Reactions

Carbon (symbol C, atomic number 6) has a standard atomic weight of 12.011 u and ground-state configuration [He] 2s2 2p2.

← 5 B Full Atlas 7 N →

IUPAC Physical & Atomic Properties

Atomic Number (Z) 6 IUPAC Symbol C Standard Atomic Weight 12.011 g/mol Period / Group / Block 2 / 14 / p-block Condensed Electron Config [He] 2s2 2p2 Full Subshell Config 1s2 2s2 2p2 Principal Shell Occupancy [2, 4] Pauling Electronegativity 2.55 First Ionization Energy 1086 kJ/mol Covalent Radius 76 pm Melting Point 3823 K (3549.85 °C) Boiling Point 4098 K (3824.85 °C) Density 2.267 g/cm³ Oxidation States +4, +2, -4

Bohr Shell Diagram & Balanced Reactions

C (Z=6) — Valence shell highlighted in vermilion

Interactive Stoichiometry Reactions Involving Carbon:

CO2 + H2O -> C6H12O6 + O2 C6H12O6 + O2 -> CO2 + H2O C8H18 + O2 -> CO2 + H2O K4[Fe(CN)6] + H2SO4 + H2O -> K2SO4 + FeSO4 + (NH4)2SO4 + CO CH4 + H2O -> CO + H2 C2H5OH + O2 -> CO2 + H2O