Which of the following formulas represents an ionic compound?
1.HI 2.HCI 3.LiCI 4.SO2

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

What four properties do all waves have in common

•hydration •dissociation •dissolving which one goes to which