If you live in the southern hemisphere, what season would you be experiencing in position c this diagram?
a) fall
b) summer
c) winter
d) spring

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

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.

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.