Magnesium
Alkaline earth metal| Atomic number | 12 |
|---|---|
| Category | Alkaline earth metal |
| Atomic mass | 24.305 |
| Electron configuration | [Ne]3s² |
| Oxidation states | +2 |
| Electronegativity | 1.31 |
| Melting point | 650 °C |
| Boiling point | 1,090 °C |
| Density | 1.738 g/cm³ |
| Crystal structure | Close-packed hexagonal |
| Group | 2 |
| Period | 3 |
| Block | s |
| Discovered | 1,755 |
| Crustal abundance | 23,300 ppm |
