1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2) the sound made by a gentle blow 3) a period marked by distinctive character or reckoned from a fixed point or event DOWN 1) goddess of criminal rashness and its punishment 2) any of various dark heavy viscid substances obtained as a residue 3) a health resort near a spring or at the seaside ** Scroll down for solution. ** Are you sure you want to peek? ats tap era