Answer to Question #120602 in Atomic and Nuclear Physics for ethan

Question

Quantum mechanics says that, given a situation, the most we can know about an electron's position in an atom is before doing an experiment is
A. where it can be and where it can't be
B. the probability of where to find it
C. the energy level it is in
D. its distance from the nucleus (the radius of its circular path)

probability?

Answer 1

it's the probability the find the position of electron. we can not determine the exact position and momentum simultaneously because electron don't have definite position and direction of motion.