Understanding the meaning of atomic number 21 - BoostVocab

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atomic number 21

Synonyms of atomic number 21 Antonyms of atomic number 21 Examples of atomic number 21 Usage of atomic number 21 Parts of atomic number 21 Definition that contains atomic number 21 Words sounding like atomic number 21 Explanation of atomic number 21

noun
a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
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Similar:

sc scandium

type of:
metal metallic element

Explanation of atomic number 21

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