English
Detailed Synonyms for atomic number 21 in English
atomic number 21:
atomic number 21 [the ~] nom
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the atomic number 21
– a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite 1the Sc; the atomic number 21; the scandium– a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite 1