Below you can find the In the '70s hans dehmelt took a color photo of astrid a single charged ion of this element ba Jeopardy Words Answer. The answer to In the '70s hans dehmelt took a color photo of astrid a single charged ion of this element ba has 6 letters. This clue belongs to the 20th century science tidbits category and is part of Jeopardy Word Level 1278. If you scroll near the bottom you will find other clues and answers part of level 1278