اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
العُنْصُر التاسِع والسَبْعُون:- a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia (Arabic WordNet)