Question

It ² 1 1 93. Then 3 + 7
IL​

Answer 1

Answer:

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Answer 2

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Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus. ... In terms of a more refined, quantum-mechanical model, the K–Q shells are subdivided into a set of orbitals (see orbital), each of which can be occupied by no more than a pair of electrons.