Refer to the Periodic Table of Elements. Which of the following groups or families of elements has a complete set of electrons in their outer energy
level?

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.