atomic number 67 meaning
UK US
atomic number 67 (noun): a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds.
Definition of atomic number 67
More about atomic number 67 on Wikipedia.
UK US
atomic number 67 (noun): a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds.
More about atomic number 67 on Wikipedia.