48 Cadmium 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 +--------------------+ | 48 ____ _ | | / ___|__| | | | | | / _` | | | | |__| (_| | | | \____\__,_| | | | | Cadmium | | 112.41 u | +--------------------+ Electron Configuration: [Kr]5s2 4d10 Electronegativity: 1.69 Atomic Radius: 158 pm Ionization Energy: 8.994 eV Electron Affinity: Oxidation States: 2 Standard State: Solid Melting Point: 594.22 K Boiling Point: 1040 K Density: 8.69 g/cm3 Family: Transition metal Year Discovered: 1817 Number of Neutrons: 64 Number of Protons: 48 Number of Electrons: 48 Number of Valence: Valency: Group: 12 Period: 5 Shell: d-shell Specific Heat: 0.232 J/g K Radioactive: 0 Occurrence: Natural Source: Dying low-mass stars Source: Merging neutron stars