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The number of unpaired electrons in 1s² 2s² 2p³ is
Options
(a) 3
(b) 1
(c) 5
(d) 2
Correct Answer:
3
Explanation:
1s² 2s² 2p³ ⇒ [1s² 2s² 2p¹(x) 2p¹(y) 2p¹(z)] / unpaired electrons = 3
Related Questions: - If the atomic number of an element is 33, it will be placed in the periodic table
- Dalton predicted
- N₂ gas will not be evolved upon reaction of HNO₂ with which of the following
- In the Kjeldahl’s method for estimation of nitrogen present in a soil sample
- Which one of the following is a false statement
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the atomic number of an element is 33, it will be placed in the periodic table
- Dalton predicted
- N₂ gas will not be evolved upon reaction of HNO₂ with which of the following
- In the Kjeldahl’s method for estimation of nitrogen present in a soil sample
- Which one of the following is a false statement
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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