FAQs About the word atomic number 21

atoomnummer 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 => atoomnummer 20, atomic number 2 => Atoomnummer 2, atomic number 19 => atoomnummer 19, atomic number 18 => atoomnummer 18, atomic number 17 => atoomnummer 17,