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Posted by on Thursday, December 1, 2011 at 2:22pm.

Using electron bookkeeping draw a Lewis dot diagram for NF2H and N2H2 determine how many electrons each atom should be assigned.

Thanks Guys I really appreciate it, my assignment is due tonight and the test is tomorrow, could you explain it,thanks

  • chemistry - , Thursday, December 1, 2011 at 5:42pm

    These are almost impossible to draw on this board. You have 26 electrons.
    Draw N on a sheet of paper, place F, F, and H on each of three sides. Place two electrons between each to show the covalent bond. Place six more electrons around each F and place the last two electrons on the fourth side of N so it will be an unshared pair.

    H:N::N:H with a lone pair above each N.

    You post sounds as if you want the formal charge. The formal charge on all of the atoms in each structure is zero.

  • chemistry - , Thursday, December 1, 2011 at 8:43pm

    Thanks DR Bob

  • chemistry - , Friday, December 2, 2011 at 6:58pm

    : : :
    : F : N : F :
    : : :
    H
    DR Bob this is what I drew, I know its not lined up but could you explain the method of electron booking for me.
    Thanks again

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