How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side without scattering at all?

What is the most stable monatomic ion formed from nitrogen

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation