TRUE
The smaller the value of n, the lower the energy, and the closer to the orbital is the nucleus.
If you try to look at the periodic table, the are arrange in increasing number of atoms and increasing energy level going down ward. Raw 1 hydrogen and helium only have 1 energy level which is the closest energy level to the nucleus of the atom and have the lowest energy. The more energy levels the atom have, the electron staying on the farthest energy level have the higher energy and we called it the valence shell.
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