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Posted by on Sunday, November 4, 2012 at 11:15pm.

What is the orbital diagram for Ti 2+?

I got 1s two arrows, 2s two arrows, 2p 6 arrows, 3s two arrows, 3p six arrows, 4s two arrows but it is wrong. It said ions of d-block metals typically lack the outermost s electrons that are present in their neutral counterparts.

  • Chemistry - , Sunday, November 4, 2012 at 11:59pm

    You omitted the 3d electrons.
    Ti neutral is
    1s2 2s2 2p6 3s2 3p6 3d2 4s2

    For the Ti^2+, remove the two 4s electrons (the outermost electrons)

  • Chemistry - , Monday, November 5, 2012 at 10:03am

    So it is 1s2 2s2 2p6 3s2 3p6 3d2 but it said it is wrong.

  • Chemistry - , Monday, November 5, 2012 at 12:00pm

    What I wrote is correct. Ti is 22 electrons and Ti^2+ is 2 electrons arranged as I've shown.
    The database may have wanted you to show the arrows in the boxes; if so that would be 1s2arrows 2s2arrows 2p6arrows
    3s2arrows 3p6arrows 3d1arrow 3d1arrow since the two 3d2 electrons are not paired.

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