Magnesium
| Magnesium | |
|---|---|
| Mg | |
| In situ availability: | |
| Necessity: | essential |
| Atomic number: | 12 |
| Atomic mass: | 24.305 |
| group: | 2 |
| period: | 3 |
| normal phase: | Solid |
| series: | Alkaline earth metals |
| density: | 1.738 g/cm3 |
| melting point: | 923K, 650°C, 1202°F |
| boiling point: | 1363K, 1090°C, 1994°F |
| Li ← Be → N/A | |
| Na ← Mg → Al | |
| K ← Ca → Sc | |
| Atomic radius (pm): | 150 |
| Bohr radius (pm): | 145 |
| Covalent radius (pm): | 130 |
| Van der Waals radius (pm): | 173 |
| ionic radius (pm): | (+2) 72 |
| 1st ion potential (eV): | 7.65 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 | |
| Electrons Per Shell | |
| 2, 8, 2 | |
| Electronegativity: | 1.31 |
| Electron Affinity: | Unstable anion |
| Oxidation states: | 2 |
| Magnetism: | Paramagnetic |
| Crystal structure: | Hexagonal |
Magnesium is a Alkaline earth metal in group 2.
It has a Hexagonal crystalline structure.
This element has 3 stable isotopes: 24, 25, and 26.
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