Mg
Magnesium
Element 12 · Alkaline earth metal · Period 3, Group 2
Solid · Discovered 1808
Atomic Properties
| Atomic Number | 12 |
| Atomic Mass | 24.305u |
| Electron Configuration | [Ne]3s2 |
| Electronegativity | 1.31Pauling |
| Atomic Radius | 173pm |
| Ionization Energy | 7.646eV |
| Oxidation States | +2 |
Physical Properties
| Standard State | Solid |
| Melting Point | 923K |
| Boiling Point | 1363K |
| Density | 1.74g/cm³ |
| Group Block | Alkaline earth metal |
| Year Discovered | 1808 |