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Lanthanides
chemical elementatomic numberLanthanidesrare earth elementmalleableductile
Lanthanum
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Lanthanum in a glass tube.
Lanthanum is a chemical element. It has the chemical symbol La. It has the atomic number 57. It is part of a group of chemical elements in the periodic table named the Lanthanides. It is a rare earth element. It is silvery white, malleable and ductile. It is soft and can be cut with a knife.
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- Lanthanides
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