Below you can find the It's the group of elements that includes bromine fluorine & astatine; it's also an incandescent bulb that uses them Jeopardy Words Answer. The answer to It's the group of elements that includes bromine fluorine & astatine; it's also an incandescent bulb that uses them has 7 letters. This clue belongs to the Science & nature category and is part of Jeopardy Word Level 978. If you scroll near the bottom you will find other clues and answers part of level 978