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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
Related Questions: - An example of redox reaction
- If a gas expands at constant temperature , it indicates that
- Atoms or ions missing from the normal lattice point creating a vacancy is due to
- Which of the following can possibly be used as analgesic without causing
- Which of the following statements is correct regarding the drawbacks of raw rub
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
- An example of redox reaction
- If a gas expands at constant temperature , it indicates that
- Atoms or ions missing from the normal lattice point creating a vacancy is due to
- Which of the following can possibly be used as analgesic without causing
- Which of the following statements is correct regarding the drawbacks of raw rub
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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