Description : The most acidic and most thermally stable set of chalcogen hydrides are respectively:
Last Answer : The most acidic and most thermally stable set of chalcogen hydrides are respectively: A. `H_(2)O,H_(2)s` B. `H_(2) ... )O,H_(2)Te` D. `H_(2)S,H_(2)Te`
Description : The chalcogen having same number of electrons both in penultimate and antipenultimate shells is
Last Answer : The chalcogen having same number of electrons both in penultimate and antipenultimate shells is A. O B. S C. Se D. Te