Given, (A) n = 5, m1 = –1 (B) n = 3, 1 = 2, m1 = –1, ms = 2 The maximum number of electron(s) in an atom that can have the quantum numbers as given in (A) and (B) respectively are : (A) 26 and 1 (B) 4

Question

Given, (A) n = 5, m1 = –1 (B) n = 3, 1 = 2, m1 = –1, ms = 2 The maximum number of electron(s) in an atom that can have the quantum numbers as given in (A) and (B) respectively are :

(A) 26 and 1
(B) 4 and 1
(C) 2 and 4
(D) 8 and 1

Prashant Kotian · Accepted Answer

Correct answer: D. (A) n = 5 l = 0 ml = 0 l = 1 ml = –1, 0, 1 2 electrons l = 2 ml = –2, –1, 0, 1, 2 2 electrons l = 3 ml = –3, –2, –1, 0, 1, 2, 3 2 electrons l = 4 ml = –4,–3,–2, –1,0,1,2, 3, 4 2 electrons Total number of electrons = 8 (B) n = 3, l = 2, ml = –1, ms = +½ only 1 electron is possible

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