1. what kind of heat transfer warms your hands when you hold them by a fire

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

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.