Silver vs Cadmium
Side-by-side comparison of Silver (Ag, element 47) and Cadmium (Cd, element 48) by atomic structure and physical properties.
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| Atomic number | 47 | 48 |
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| Symbol | Ag | Cd |
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| Name | Silver | Cadmium |
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| Category | transition-metal | transition-metal |
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| Standard Atomic Weight | 107.8682 u | 112.414 u |
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| Period | 5 | 5 |
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| Group | 11 | 12 |
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| Block | d | d |
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| Phase at STP | Solid | Solid |
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| Electron configuration | [Kr]4d105s1 | [Kr]4d105s2 |
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| Oxidation states | [-2, -1, 0, 1, 2, 3] | [-2, 1, 2] |
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| Electronegativity (Pauling) | 1.93 | 1.69 |
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| Electron affinity | 1.302 eV | -0.7 eV |
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| Density | 1.0501e+4 kg/m³ | 8690 kg/m³ |
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| Melting point | 961.78 °C | 321.07 °C |
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| Boiling point | 2161.85 °C | 766.85 °C |
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| Discovery year | N/A | 1817 |
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Key Differences
| Ag Silver | Cd Cadmium |
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| Standard Atomic Weight | 107.8682 u ↓ lower | 112.414 u ↑ higher |
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| Density | 1.0501e+4 kg/m³ ↑ higher | 8690 kg/m³ ↓ lower |
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| Melting point | 961.78 °C ↑ higher | 321.07 °C ↓ lower |
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| Boiling point | 2161.85 °C ↑ higher | 766.85 °C ↓ lower |
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| Electronegativity (Pauling) | 1.93 ↑ higher | 1.69 ↓ lower |
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| Electron affinity | 1.302 eV ↑ higher | -0.7 eV ↓ lower |
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| Group | 11 | 12 |
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| Electron configuration | [Kr]4d105s1 | [Kr]4d105s2 |
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