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Sulfur has two filled energy levels and six electrons on the third energy level. The corresponding electron configuration is A.
B is incorrect because there are no p orbitals at the first energy level, ie, no 1p orbitals. C is incorrect because the 4s1 electron would spontaneously drop into the 3p orbitals. D is incorrect because the 3d electrons would spontaneously drop into the 3p orbitals.
shristiparmar1221

The electron configuration for sulfur  1s², 2s², 2p⁶, 3s², 3p⁴. Hence the correct answer is Option (A) .

What is Electronic Configuration ?

Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.

According to the older shell atomic model, electrons occupy several levels from the first shell nearest the nucleus, K, through the seventh shell, Q, farthest from the nucleus.

Therefore, The electron configuration for sulfur  1s², 2s², 2p⁶, 3s², 3p⁴. Hence the correct answer is Option (A) .

Learn more about Electronic Configuration here ;

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