Wordnet angielsko-polski
(a white soft metallic element that tarnishes readily
occurs in rare earth minerals and is usually classified as a rare earth)
lantan, La
synonim: lanthanum
synonim: atomic number 57
(a white soft metallic element that tarnishes readily
occurs in rare earth minerals and is usually classified as a rare earth)
lantan, La
synonim: lanthanum
synonim: atomic number 57