The electrons, identified by quantum numbers and , (i) (ii) (iii) (iv) can be placed in order of increasing energy, from the lowest to highest, as

Question

The electrons, identified by quantum numbers $n$ and $l$, (i) $n = 4, l = 1$ (ii) $n = 4, l = 0$ (iii) $n = 3, l = 2$ (iv) $n = 3, l = 1$ can be placed in order of increasing energy, from the lowest to highest, as

Prashant Kotian · Accepted Answer

Correct answer: A. Energy depends on value. (i) . (ii) . (iii) . (iv) . For same , lower has lower energy. (iv) < (ii) since . For , (iii) < (i) since . Overall order: iv < ii < iii < i. Therefore, correct answer is A.

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