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

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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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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)

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