OK if you want hard here here are sixty cups on a table. If one falls down, then how many remain

What is the fate of the electrons that interact with a specimen in an electron microscope?

Most of the volume of an atom is occupied by the

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.