Question

whar are quantum numbers???

Answer 1

quantum number is a value that is used when describing the energy levels available to atoms and molecules. An electron in an atom or ion has four quantum numbers to describe its state and yield solutions to the Schrödinger wave equation for the hydrogen atom.

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Answer 2

Atomic orbitals can be specified by giving their corresponding energies and angular momentums. The quantized value can expressed in terms of quantum numbers. (To get complete information about electron)