Question
What are four quantum numbers? Give their significance.
Answer :
Word Count : 251
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The description of an electron in an atom is based on four quantum numbers that arise from the solution of the Schrödinger wave equation and collectively define the size, shape, orientation, and spin of the electron cloud. The principal quantum number *n* represents the main energy level or shell in which the electron resides; as *n* increases, the orbital becomes larger and the electron is held less tightly, influencing ionization energy and atomic size. The azimuthal or angular momentum quantum
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