Electrons in an atom occupy an orderly series of electron shells or
A) energy levels.
B) electron clouds.
C) energy circles.
D) electron lanes.
E) energy fields.

Question

Quizplus · Accepted Answer

The term "energy levels" is commonly used to describe the orderly series of electron shells in an atom. These shells are defined by the amount of energy required to remove an electron from that level or move an electron to a higher level.

Electrons in an Atom Occupy an Orderly Series of Electron