Magnesium-21
| Magnesium-21 |
|---|
| isotopo de magnesium[*] |
| subclasse de magnesium |
| numero atomic: 12 |
| numero de neutrones: 9 |
| decade a: Fluor-17, Natrium-21, Neon-20, Natrium-21, Neon-20, Fluor-17 |
| semivita: 122±3 millisecond |
Magnesium-21 es un isotopo de magnesium.