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Pick out the wrong ones from the sub shell electronic configuration given below. a. 1s2 2s2 2p7 b. 1s2 2s2 2p2 c. 1s2 2s2 2p5 3s2d. 1s2 2s2 2p6 3s2 3p6 3d2 4s2e. 1s2 2s2 2p6 3s2 3p6 3d2 4s2 |
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Answer» Wrong electronic configuration a. 1s2 , 2s2 , 2p7 (2p maximum 6 electrons only) c. 1s2 , 2s2 , 2p5 , 3s1 (electrons are filled in 3s only after filling 6 electrons in 2p) d. 1s2 , 2s2 , 2p6 , 3s2 , 3p6 , 3d2 , 4s1 (electrons are filled in 3d only after filling 2 electrons in 4s) |
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