Question

multiple - choice question
what is an orbital?
a large electron.
an orbit.
a region of space that an electron may be found.
rewatch

Explanation:

An orbital is not an electron (so "A large electron" is wrong). An orbit implies a fixed circular path which is not the case in quantum - mechanical model. An orbital is a region of space around the nucleus where there is a high probability of finding an electron.

Answer:

C. A region of space that an electron may be found.