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When a problem says that the energy level has increased, it is referring only to a specific electron. That electron has absorbed a certain amount of energy to have increased its energy and moved to a higher quantum level, (n=1 to n=3). Conversely, when the energy level decreases, the electron drops from a high energy level to a lower energy level and releases energy in the process. (n=3 to n=1).
for erica, think of electron energy being completely separate from the electrostatic attraction; this is primarily because the quantum levels for an electron solely depend on the electron itself, not the forces acting on it.
The number of energy levels has no correlation or correspondence with electrostatic force. Electrostatic force is merely the attraction between negatively charged electrons and positively charged protons in an atom, and this force does not dictate how many energy levels an atom has. Rather, the amount of energy levels is based on the principle quantum number associated with the given atom.
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