Which of the following lists electromagnetic radiations from lowest to highest energy? Answers:
A: radio waves, microwaves, ultraviolet radiation, visible light
B: microwaves, radio waves, visible light, X-rays
C: radio waves, infrared radiation, visible light, ultraviolet radiation
D: gamma radiation, infrared radiation, visible light, X-rays

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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 phase(s) do the molecules take the shape of the container?