Answer
SeO$_{4}$$^{2-}$: Selenate
SeO$_{3}$$^{2-}$: Selenite
TeO$_{4}$$^{2-}$: Tellurate
TeO$_{3}$$^{2-}$: Tellurite
Work Step by Step
SeO$_{4}$$^{2-}$: Selenate
SeO$_{3}$$^{2-}$: Selenite
TeO$_{4}$$^{2-}$: Tellurate
TeO$_{3}$$^{2-}$: Tellurite