Astatine, At, is below iodine in Group 17 of the Periodic Table. Which statement is most likely to be correct?
A AgAt(s) reacts with an excess of dilute aqueous ammonia to form a solution of a soluble complex.
B Astatine and KCl(aq) react to from KAt(aq) and chlorine.
C KAt(aq) and dilute sulfuric acid react to form HAt(g).
D NaAt(s) and concentrated sulfuric acid react to form astatine.
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Astatine, At, is below iodine in Group 17 of the Periodic Table. Which statement is most likely to b...
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