Earth travel around the sun at 67,000 miles per hour. The earth is in motion and stays in motion until some force causes its motion to change. Which of Newton’s Laws explains this? witch law is this Law of inertia Law of acceleration
Law of action-reaction

How are elements arranged in a periodic table

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

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.