“erbium”#68
(atomic #68) (named for swedish village of ‘ytterby’) . . *π¨βπ¬π΅οΈββοΈπββοΈ*SKETCHES*πββοΈπ©βπ¬π΅οΈββοΈ* . . ππ|/\-*WIKI-LINK*-/\|ππ . . πππ β *βHOLMIUMβ (#67)* . *βTHULIUMβ (#69)* β πππ […]