The set of quantom number for 19th electrons of chromium(Z=24) is

The Set Of Quantom Number For 19th Electrons Of Chromiumz24 Chemistry QuestionThe Set Of Quantom Number For 19th Electrons Of Chromiumz24 Chemistry Question

The set of quantom number for 19th electrons of chromium(Z=24) is

Options

(a) 4,0,0,+½
(b) 4,1,-1,+½
(c) 3,2,2,+½
(d) 3,2,-2,+½

Correct Answer:

4,0,0,+½

Explanation:

(Z= 24) ≡ 1s²,2s²,2p⁶,3s²,3p⁶,4s¹,3d⁵
For 19th electron (i.e.,4s¹)
n=4,n /=0, m=0, s= +½

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