lanthanum

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A labeled diagram of the periodic table entry for lanthanum, showing atomic number 57, symbol La, atomic weight 138.90547, electron configuration, and highlighting that it is a rare-earth solid with a hexagonal crystal structure and strongly basic oxides.

At a Glance

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lanthanum summary

lanthanum: Media

chemical element

Images

A labeled diagram of the periodic table entry for lanthanum, showing atomic number 57, symbol La, atomic weight 138.90547, electron configuration, and highlighting that it is a rare-earth solid with a hexagonal crystal structure and strongly basic oxides.

lanthanum

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