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Why doesn;t Carbon show deviation from electron configuration

  1. Sep 13, 2011 #1
    We all know that carbon shows the configuration 1s2- 2s2- 2p2
    But, since half-filled and fully filled orbitals are more stable, why doesn't it show the configuration 1s2- 2s1- 2p3 ?
    Why doesn't the 2s orbital give 1 electron to 2p, as in the case of Chromium, where one electron goes from 3d to 4s, in order to make both orbitals half-filled(and hence more stable)?

    Thanks in advance!
  2. jcsd
  3. Sep 14, 2011 #2
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