اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
الرَقَم الذَرِّي 29:- a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor (Arabic WordNet)