Hydrogen vs Zinc
Side-by-side comparison of Hydrogen (H, element 1) and Zinc (Zn, element 30) by atomic structure and physical properties.
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| Atomic number | 1 | 30 |
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| Symbol | H | Zn |
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| Name | Hydrogen | Zinc |
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| Category | nonmetal | transition-metal |
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| Standard Atomic Weight | 1.007975 u | 65.38 u |
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| Period | 1 | 4 |
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| Group | 1 | 12 |
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| Block | s | d |
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| Phase at STP | Gas | Solid |
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| Electron configuration | 1s1 | [Ar]4s23d10 |
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| Oxidation states | [-1, 1] | [-2, 0, 1, 2] |
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| Electronegativity (Pauling) | 2.2 | 1.65 |
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| Electron affinity | 0.75419 eV | -0.6 eV |
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| Density | 0.08988 kg/m³ | 7134 kg/m³ |
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| Melting point | -259.193 °C | 419.53 °C |
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| Boiling point | -252.781 °C | 906.85 °C |
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| Discovery year | 1766 | 1746 |
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Key Differences
| H Hydrogen | Zn Zinc |
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| Standard Atomic Weight | 1.007975 u ↓ lower | 65.38 u ↑ higher |
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| Density | 0.08988 kg/m³ ↓ lower | 7134 kg/m³ ↑ higher |
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| Melting point | -259.193 °C ↓ lower | 419.53 °C ↑ higher |
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| Boiling point | -252.781 °C ↓ lower | 906.85 °C ↑ higher |
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| Electronegativity (Pauling) | 2.2 ↑ higher | 1.65 ↓ lower |
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| Electron affinity | 0.75419 eV ↑ higher | -0.6 eV ↓ lower |
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| Period | 1 | 4 |
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| Group | 1 | 12 |
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| Block | s | d |
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| Category | nonmetal | transition-metal |
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| Phase at STP | Gas | Solid |
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| Electron configuration | 1s1 | [Ar]4s23d10 |
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| Discovery year | 1766 | 1746 |
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