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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 6.4 g SO₂ at 0⁰C and 0.99 atm pressure occupies a volume of 2.24 L
- When ethyl chloride and alcoholic KOH are heated, the compound obtained is
- The correct order in which the O–O bond length increases in the following is
- Which of the following metal has the biggest tendency for the half reaction
- If the rate of diffusion of CH₄ is twice of that of a gas X, then what is the molecular
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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