what is the true ground state electron configuration for chromium 24 electrons ?Question 3Answera.1s22s22p63s23p63d341b.1s22s22p63p63s23d6c.1s22s22p63s23p64s23d4this is what is expected but due to its stability rather have to half filled orbitalsd.1s22s2p63s23p64s24p4e.1s22s22p63s23p64s13d5
Question
what is the true ground state electron configuration for chromium 24 electrons ?Question 3Answera.1s22s22p63s23p63d341b.1s22s22p63p63s23d6c.1s22s22p63s23p64s23d4this is what is expected but due to its stability rather have to half filled orbitalsd.1s22s2p63s23p64s24p4e.1s22s22p63s23p64s13d5
Solution
The correct electron configuration for Chromium (24 electrons) is e. 1s2 2s2 2p6 3s2 3p6 4s1 3d5.
This is because Chromium prefers to have half-filled or fully filled orbitals as they are more stable. In this case, one electron from the 4s orbital is promoted to the 3d orbital, resulting in a half-filled 4s orbital and a half-filled 3d orbital.
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