13 Al Aluminium 26.9815386 | 2 8 3
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13 Al Aluminium 26.9815386 | 2 8 3
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General |
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Name | Aluminium | Symbol | Al | Number | 13 | Chemical series | Other metals | Group / Period | 13 / 3 | Block | p-block | CAS registry number | 7429-90-5 |
Physical properties |
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State | solid | Density | 2.70 g/cm3 | Melting point | 933.47 K (660.32 °C, 1220.58 °F) | Boiling point | 2792 K (2519°C, 4566°F) | Critical point | |
Atomic properties |
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Atomic Weight | 26.9815386 g/mol | Crystal structure | cubic face centered | Electronegativity | 1.61 | Atomic radius | 125 pm | Atomic radius (calculated) | 118 pm | Electron configuration | [Ne] 3s2 3p1 | Electrons per shell | 2, 8, 3 | Number of protons | 13 | Number of neutrons | 14 |
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