Question

The maximum no. Of electrons in an orbit is given by which rule

Answer 1

Answer:

The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers . As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.

Explanation:

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Answer 2

Answer:

The electrons in the outermost orbit or shell has highest energy. The rule of 2n2 is not valid for the outer most shell of a atom. The outer most shell or orbit of a atom contains maximum of 8 electrons.