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| Palladium |
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| Pípè | /pəˈleɪdiəm/ (pə-LAY-dee-əm) |
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| Ìhànsójú | silvery white metallic |
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| Ìwúwo átọ̀mù Ar, std(Pd) | 106.42(1)[1] |
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| Palladium ní orí tábìlì àyè |
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| Nọ́mbà átọ̀mù (Z) | 46 |
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| Ẹgbẹ́ | group 10 |
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| Àyè | àyè 5 |
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| Àdìpọ̀ | Àdìpọ̀-d |
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| Ẹ̀ka ẹ́límẹ́ntì | Transition metal |
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| Ìtò ẹ̀lẹ́ktrọ́nù | [Kr] 4d10 |
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| Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 18 |
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| Àwọn ohun ìní ara |
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| Ìfarahàn at STP | solid |
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| Ìgbà ìyọ́ | 1828.05 K (1554.9 °C, 2830.82 °F) |
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| Ígbà ìhó | 3236 K (2963 °C, 5365 °F) |
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| Kíki (near r.t.) | 12.023 g/cm3 |
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| when liquid (at m.p.) | 10.38 g/cm3 |
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| Heat of fusion | 16.74 kJ/mol |
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| Heat of | 362 kJ/mol |
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| Molar heat capacity | 25.98 J/(mol·K) |
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pressure| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
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| at T (K) | 1721 | 1897 | 2117 | 2395 | 2753 | 3234 |
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| Atomic properties |
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| Oxidation states | 0, +1, +2, +3, +4 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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| Electronegativity | Pauling scale: 2.20 |
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| Atomic radius | empirical: 137 pm |
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| Covalent radius | 139±6 pm |
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| Van der Waals radius | 163 pm |
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 Color lines in a spectral rangeSpectral lines of palladium |
| Other properties |
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| Natural occurrence | primordial |
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| Crystal structure | (fcc) |
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| Speed of sound thin rod | 3070 m/s (at 20 °C) |
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| Thermal expansion | 11.8 µm/(m·K) (at 25 °C) |
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| Thermal conductivity | 71.8 W/(m·K) |
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| Electrical resistivity | 105.4 n Ω·m (at 20 °C) |
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| Magnetic ordering | paramagnetic[2] |
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| Young's modulus | 121 GPa |
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| Shear modulus | 44 GPa |
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| Bulk modulus | 180 GPa |
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| Poisson ratio | 0.39 |
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| Mohs hardness | 4.75 |
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| Vickers hardness | 461 MPa |
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| Brinell hardness | 37.3 MPa |
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| CAS Number | 7440-05-3 |
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| Main isotopes of palladium |
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| Isotope | Abundance | Half-life (t1/2) | Decay mode | Product |
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| 100Pd | syn | 3.63 d | ε | - | 100Rh | | γ | 0.084, 0.074,
0.126 | - | | 102Pd | 1.02% | 102Pd is stable with 56 neutrons | | 103Pd | syn | 16.991 d | ε | - | 103Rh | | 104Pd | 11.14% | 104Pd is stable with 58 neutrons | | 105Pd | 22.33% | 105Pd is stable with 59 neutrons | | 106Pd | 27.33% | 106Pd is stable with 60 neutrons | | 107Pd | trace | 6.5×106 y | β− | 0.033 | 107Ag | | 108Pd | 26.46% | 108Pd is stable with 62 neutrons | | 110Pd | 11.72% | 110Pd is stable with 64 neutrons |
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