79 Gold 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 +--------------------+ | 79 _ | | / \ _ _ | | / _ \| | | | | | / ___ \ |_| | | | /_/ \_\__,_| | | | | Gold | | 196.96657 u | +--------------------+ Electron Configuration: [Xe]6s1 4f14 5d10 Electronegativity: 2.54 Atomic Radius: 166 pm Ionization Energy: 9.226 eV Electron Affinity: 2.309 eV Oxidation States: +3, +1 Standard State: Solid Melting Point: 1337.33 K Boiling Point: 3129 K Density: 19.282 g/cm3 Family: Transition metal Year Discovered: Ancient Number of Neutrons: 118 Number of Protons: 79 Number of Electrons: 79 Number of Valence: Valency: Group: 11 Period: 6 Shell: d-shell Specific Heat: 0.129 J/g K Radioactive: 0 Occurrence: Natural Source: Merging neutron stars