Question

An electron in an atom:

• A. moves randomly around the nucleus.
• B. has fixed space around the nucleus.
• C. is stationary in various energy levels.
• D. moves around the nucleus in definite energy levels.

Answer 1

The correct option is D

moves around the nucleus in definite energy levels.

An electron moves around a nucleus in definite energy levels. These are called orbits. These orbits are associated with definite energies and are also called energy shells or energy levels.