6 Carbon H He Li Be B [C ]N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr +--------------------+ | 6 ____ | | / ___| | | | | | | | |___ | | \____| | | | | Carbon | | 12.011 u | +--------------------+ Electron Configuration: [He]2s2 2p2 Electronegativity: 2.55 Atomic Radius: 170 pm Ionization Energy: 11.260 eV Electron Affinity: 1.263 eV Oxidation States: +4, +2, -4 Standard State: Solid Melting Point: 3823 K Boiling Point: 4098 K Density: 2.2670 g/cm3 Family: Nonmetal Year Discovered: Ancient Number of Neutrons: 6 Number of Protons: 6 Number of Electrons: 6 Number of Valence: 4 Valency: 4 Group: 14 Period: 2 Shell: p-shell Specific Heat: 0.709 J/g K Radioactive: 0 Occurrence: Natural Source: Dying low-mass stars