Why are the nobel gases so unreactive?
a.) because they are used for cancer treatment.
b.) they have a full valence shell (outer electrons) of 8.
c.) because they have a high boiling point.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

I’m an electrically neutral atomic any element, there are equal numbers of