Lanthanum (Q2449)
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Lanthanum is the chemical element with the symbol La and atomic number 57. The atomic mass is 138.9055 (amu, g/mol).
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Lanthanum |
Lanthanum is the chemical element with the symbol La and atomic number 57. The atomic mass is 138.9055 (amu, g/mol). |