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Titanium 2+ Ion electronic structure?

  1. Nov 15, 2006 #1
    Titanium 2+ Ion.

    Is it [tex][Ar]3d^04s^2 [/tex]
    or [tex][Ar]3d^24s^0[/tex]

    I'd assume it's the former (looks more energy efficient).
  2. jcsd
  3. Nov 16, 2006 #2
    That's right. 4s is of lower energy than 3d.
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