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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
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the first ionisation energies are plotted against atomic number
- What is the value of carbonate hardness of water sample if 100 mL of it took
- Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
- Ethylene glycol reacts with excess of PCl₅ to give
- The weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18g
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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