MULTIPLE CHOICE QUESTION When an electron ABSORBS energy, it jumps to a
orbital away from the nucleus.
A)lower
B)higher

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)

Most of the volume of an atom is occupied by the

What is the role of lenses in microscopy?