1.

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

A. (iv) < (ii) < (iii) < (i)
B. (ii) < (iv) < (i) < (iii)
C. (i) < (iii) < (ii) < (iv)
D. (iii) < (i) < (iv) < (ii)
Answer» B. (ii) < (iv) < (i) < (iii)


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