atomic number 68 definition

  • noun:
    • a trivalent metallic part of the rare-earth team; takes place with yttrium
    • a trivalent metallic part of the rare-earth group; happens with yttrium

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  • Definition for "atomic number 68"
    • a trivalent metallic part of the rare-earth team;…
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  • Hypernym for "atomic number 68"
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