How does the energy of an electron change when the electron moves closer to the nucleus?

1 Answer
Dwight
Dec 19, 2016

It decreases.

Explanation:

Since the charges on nucleus and electron are opposite in nature, an attractive force exists between them. It is true in generally, that when objects are made to move closer together in the direction of an attractive force, potential energy decreases (and increases whenever attracting objects are force to move apart).

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