What is the mass number for an atom with 5 protons 6 neutrons and 5 electrons

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.

Label a-f based on the table using c for concentrated and d for dilute

How do i turn 2 s into one in the products