Oxygen is in group 16 of the periodic table. An oxygen ion (O2-) has a charge of -2. Which of the following would be most likely to combine with an oxygen ion to form a new compound?

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.

Fred is studying a substance that is made out of only one element. this means that

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.