| ⇦ | 
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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: - Ksp of CaSO₄.5H₂O is 9 ˣ 10⁻⁶, find the volume for 1g of CaSO₄ (M.wt, = 136)
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ksp of CaSO₄.5H₂O is 9 ˣ 10⁻⁶, find the volume for 1g of CaSO₄ (M.wt, = 136)
- Ethylene glycol reacts with excess of PCl₅ to give
- When CHCl₃ is boiled with NaOH, it gives
- Potassium is stored in
- Chlorination of toluene in the presence of light and heat followed by treatment
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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