An electron in a sodium atom moves from the third shell to the fourth shell. this change is a result of the atom
(1) absorbing energy (3) gaining an electron
(2) releasing energy (4) losing an electron

If soap hits the floor, is the soap dirty or the floor

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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.