Question

what is quantum number? ​

Answer 1

Answer:

A 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.

Answer 2

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In chemistry and quantum physics, quantum numbers describe values of conserved quantities in the dynamics of a quantum system. 

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