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