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InterviewSolution
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which quantum number Distinguishes the electron in the same orbital? name the principle involve. |
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Answer» The spin quantum number is responsible for that distinction. The electron, being a fermion, has a half integer (1/21/2) spin of either−1/2−1/2or1/21/2. This value is the value of the spin quantum number of the electron. The maximum no. of electrons that can reside in an orbital is 2, with one being spin up (1/21/2) and the other being spin down (−1/2−1/2). The reason for this is because of the Pauli Exclusion principle which states that two or more electrons (or fermions) cannot occupy the same state at the same time. In this case, the electrons in the orbitals have the same first three quantum number values (principal, azimuthal, and magnetic) but do not violate the exclusion principle by having different spin. |
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