FAQs About the word atomic number 21

atomnummer 21

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

No synonyms found.

No antonyms found.

atomic number 20 => atomnummer 20, atomic number 2 => Protonnummer 2, atomic number 19 => atomnummer 19, atomic number 18 => atomnummer 18, atomic number 17 => atomnummer 17,