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 Each orbit has a fixed energy. These fixed energies an electron can have are called energy levels. These ladder steps are somewhat like energy levels.

The energy required for the movement of electrons is fixed which is called energy levels. The fixed energies of electrons are called energy levels.

How do you define energy levels?

The most basic unit of a chemical element is Atom. A matter contains atoms including solids liquids and gases. These atoms have an inner circle which is called the nucleus in which neutrons, protons and electrons move in their orbits. The energy of the orbit is fixed which is called energy levels.

Inside an orbit, there are different zones from the center of the orbit that have different levels of energy. The electrons closer to the center of the orbit has lower energy levels as compared to the electrons that are far from the center of the orbit.

According to Bohr, when the electron moves from one zone inside the orbit into another zone, it required a fixed amount of energy. This fixed energy of the electrons is called energy level.

To know more about the electrons, follow the link given below.

https://brainly.com/question/1255220.