1 2 1 2
1 7 8

: .. Valence Electrons

  1. #1

    .. Valence Electrons

    ( ) , .
    , . .
    , () (), . , .


  2. #2

    : .. Valence Electrons



    :


    +1 +2 +3 +_4 -3 -2 -1
    ( )
    ( )
    ( )
    = +
    = +
    = +
    : Na-Cl
    11Na (+1)
    17Cl (-1)



  3. #3

    : .. Valence Electrons


  4. #4

    Jul 2011
    -
    936

    : .. Valence Electrons





  5. #5

    May 2012
    55

    : .. Valence Electrons


  6. #6

    Mar 2012
    3

    : .. Valence Electrons


  7. #7

    Jul 2011
    -
    4,543

    : .. Valence Electrons

    SARAH

1 2 1 2

: 2 (0 2 )