Question

Heisenberg’s uncertainty principle states that _______.

a. an electron can move to a higher energy level with an input of energy.
b. electrons probably orbit the nucleus like planets orbit the sun.
c. we cannot know exactly where the electrons are within an orbital.
d. we’re not sure how many electrons are in an atom.

Answer 1

His principle is that we can either know the location or the speed of an electron at that specific moment but never both at once. So your answer is C.