In what way does the arrangement of the periodic table tell you information about the elements? a. elements near each other generally have the same color. b. the placement of an element tells you about the reactivity of the element. c. elements are placed in rows based on how many valence electrons they have. d. the placement of an element tells you how many isotopes it has.

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.

Which statement describes james chadwick’s discovery.

How many moles of oxygen react with 12 moles of aluminum