atomic number 65 meaning

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atomic number 65 (noun): a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.

Definition of atomic number 65

  1. a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

    Synonyms: terbium, Tb

    Type of: metallic element

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