Crossword clues for Atom and hydrogen 5 lettersAnswerClueBOMBSAtom and hydrogenTENNumber of hydrogen atoms in a butane moleculeTRIBASICHaving three replaceable hydrogen atoms, as an avid (or a punny description of the three R's?)NEUTRONHydrogen-atom lackPROTONA hydrogen atom has oneMRIScan that excites hydrogen atoms, for shortNEUTRONHydrogen atom's lackTRACEELEMENTSOutline hydrogen atoms?TENNumber of hydrogen atoms in butaneREACTIVELike atomic hydrogenONEHydrogen's atomic numberONEAtomic number of hydrogenONEAtomic number for hydrogen