A chemical element belonging to the group of rare-earth metals, found in certain minerals, e.g. cerite; it was discovered by Mosander 1839–41. Symbol…
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| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > lanthanum > [noun] (4) lanthanum1841 A chemical element belonging to the group of rare-earth metals, found in certain minerals, e.g. cerite; it was discovered by Mosander 1839–41. Symbol… La1842 The element lanthanum. Ln1842 The element lanthanum. Subcategories:— compounds (1) |
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