Lanthanum
| Atomic Number: | 57 |
| Symbol: | La |
| Atomic weight: | 138.9055 |
| Discovery: | Mosander 1839 |
| Electron Configuration: | 5d1 |
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| Atomic Number: | 57 |
| Symbol: | La |
| Atomic weight: | 138.9055 |
| Discovery: | Mosander 1839 |
| Electron Configuration: | 5d1 |
Document Actions