No two electrons can have the same four quantum numbers is known as the

Explanation:

You can read this principle in any chemistry or physics textbook that deals with quantum numbers. It states that two electrons of an atom cannot have the same set of four quantum numbers.

As result:

Remember, that the quantum numbers are the numbers that identify the electrons in an atom.

In this way, Pauli's exclusion principle implies that two electrons occupying the same orbital will have equal n, ℓ, and mℓ values, meaning that their ms will be opposite: + 1/2 and −1/2.

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