Copper vs Zinc
Side-by-side comparison of Copper (Cu, element 29) and Zinc (Zn, element 30) by atomic structure and physical properties.
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| Atomic number | 29 | 30 |
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| Symbol | Cu | Zn |
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| Name | Copper | Zinc |
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| Category | transition-metal | transition-metal |
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| Standard Atomic Weight | 63.546 u | 65.38 u |
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| Period | 4 | 4 |
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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 | [Ar]3d104s1 | [Ar]3d104s2 |
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| Oxidation states | [-2, 0, 1, 2, 3, 4] | [-2, 0, 1, 2] |
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| Electronegativity (Pauling) | 1.9 | 1.65 |
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| Electron affinity | 1.235 eV | -0.6 eV |
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| Density | 8933 kg/m³ | 7134 kg/m³ |
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| Melting point | 1084.62 °C | 419.53 °C |
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| Boiling point | 2561.85 °C | 906.85 °C |
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| Discovery year | N/A | 1746 |
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Key Differences
| Cu Copper | Zn Zinc |
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| Standard Atomic Weight | 63.546 u ↓ lower | 65.38 u ↑ higher |
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| Density | 8933 kg/m³ ↑ higher | 7134 kg/m³ ↓ lower |
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| Melting point | 1084.62 °C ↑ higher | 419.53 °C ↓ lower |
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| Boiling point | 2561.85 °C ↑ higher | 906.85 °C ↓ lower |
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| Electronegativity (Pauling) | 1.9 ↑ higher | 1.65 ↓ lower |
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| Electron affinity | 1.235 eV ↑ higher | -0.6 eV ↓ lower |
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| Group | 11 | 12 |
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| Electron configuration | [Ar]3d104s1 | [Ar]3d104s2 |
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