“barium”#56
(atomic #56) (from greek word for βheavyβ) . . *π¨βπ¬π΅οΈββοΈπββοΈ*SKETCHES*πββοΈπ©βπ¬π΅οΈββοΈ* . . ππ|/\-*WIKI-LINK*-/\|ππ . . πππ β *βCAESIUMβ (#55)* . *βLANTHANUMβ (#57)* β πππ . […]