The half reaction of an oxidation-reduction reaction shows that Iron gains electrons. What does this electron gain mean for Iron?
A. It is neutralized.
B. It is oxidized.
C. It is reduced.
D. It has dissolved.
E. It has precipitated.

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.