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< Back Palladium  SEE PERIODIC TABLE   SEE FULL ARTICLE Atomic Number 46 Atomic Symbol Pd Atomic Weight 106.42 amu Group Transition, 10 Form Solid Density @ STP 12 g/cm3 Melting Point 1554.9 °C (2829.2 °F, 1827.15 °K) Boiling Point 2963 °C (5365.4 °F, 3236.15 °K) Heat of Fusion 16.74 kJ/mol Heat of Vaporization 380 kJ/mol First Ionization Potential 8.3369 eV Electronegativity (on Pauling scale) 2.20 Specific Heat Capacity 0.246 J/g K Ground State Electron Configuration 4d10 Oxidation States +2, +4 Stable Isotopes and Natural Abundance on Earth 102Pd, 1.02%; 104Pd, 11.14%; 105Pd, 22.33%; 106Pd, 27.33%; 108Pd, 26.46%; 110Pd, 11.72% Selected Radioisotopes 103Pd, 109Pd Atomic Radius 169 pm Crystal Structure Cubic Discovered by Wollaston, 1803

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