Please help with whatever this is and go in number order

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Answer explain why it is not possible to deduce a complete order of reactivity.