Post-UTME Chemistry 2006 Objective — Question 4
Question 4 of 19 from the Post-UTME Screening (Post-UTME) Chemistry 2006 Objective paper, with the correct answer and a full explanation.
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The electronic configuration of an element is 1s^2 2s^2 2p^6 3s^2 3p^5. How many unpaired electrons are there in the element?
- A. 5
- B. 4
- C. 3Correct
- D. 2
Explanation
This item's exact configuration/options combination could not be fully confirmed from the scan; presented with reduced confidence.
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