Q

What is the total number of shells involved in electronic configuration of carbon?

RRB Group D, 17-Aug-22 S-2 2022
✓ Answer: D Two
The electronic configuration of carbon (C) is 1s2 2s2 2p2, meaning carbon has 6 electrons distributed in two shells: the K shell (which holds 2 electrons) and the L shell (which holds 4 electrons). Therefore, carbon uses two shells to accommodate its 6 electrons, so the correct answer is two.
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