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InterviewSolution
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The electrons would go to lower energylevels first and then to higher energy levelsaccording to which of the following(a) Aufbau principle(b) Pauli's exclusion principle(c) Hund's rule of maximum multiplicity(d) Heisenberg's uncertainty principle |
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Answer» correct answer is (a) The aufbau principle states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. For example, the 1s shell is filled before the 2s subshell is occupied. c is correct |
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