Completar Frases Marie CurieVersión en línea (Vocabulary) por Patricia Benvenuti 1 founded find found She donated money to help a non - governmental organization . 2 radioactive radioative active Americium is a highly elemen t 3 X ray X-rey X-Ray Marie Curie invented the mobile - over 100 years ag o 4 used invented celebrated The World Wide Web was in 1989 . 5 receive received receift I a phone call from your mother . 6 protected protection help We need from bad or incompetent doctors .