| ⇦ | 
| ⇨ |
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: - A 20 mass percent H₂SO₄ solution has density 1.15 g mL⁻¹.Molarity
- Change in enthalpy for reaction,2H₂O₂ → 2H₂O + O₂
- If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- Which of the following, on hydrolysis, forms acetic acid
- A mixture of two moles of carbon monoxide and one mole of oxygen
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 20 mass percent H₂SO₄ solution has density 1.15 g mL⁻¹.Molarity
- Change in enthalpy for reaction,2H₂O₂ → 2H₂O + O₂
- If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- Which of the following, on hydrolysis, forms acetic acid
- A mixture of two moles of carbon monoxide and one mole of oxygen
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply