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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
- The compound benzophenone(C₆H₅COC₆H₅) does not reacts with
- The acidic, basic or amphoteric nature of Mn₂O₇, V₂O₅ and CrO are respectively
- What is the ratio of mass of an electron to the mass of a proton?
- The coordination number of an atom in the simple cubic unit cell in a crystal lattice
- Each unit cell of NaCl consists of 6 chlorine atoms and
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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