| General |
|---|
| Name | Magnesium | | Symbol | Mg | | Number | 12 | | Chemical series | Alkaline earth metals | | Group / Period | 2 / 3 | | Block | s-block | | CAS registry number | 7439-95-4 |
| Physical properties |
|---|
| State | solid | | Density | 1.738 g/cm3 | | Melting point | 923 K (650°C, 1202°F) | | Boiling point | 1363 K (1090°C, 1994°F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 24.3050 g/mol | | Crystal structure | hexagonal | | Electronegativity | 1.31 | | Atomic radius | 150 pm | | Atomic radius (calculated) | 145 pm | | Electron configuration | [Ne] 3s2 | | Electrons per shell | 2, 8, 2 | | Number of protons | 12 | | Number of neutrons | 12 |
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Aluminium