How can chemists state with certainty that no one will discover an element that would appear on the periodic tabl between sulfur and chlorine

__can be defined as which velocity changes

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.

In which situation can a mixture always be called a solution