State the rules followed for writing the number of electrons in different energy shells.

Discussion in 'CBSE Class 9 Chemistry Help' started by Vinila Choudary, Jan 29, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    (a) The distribution of the electrons in different orbits of an atom occurs according to the
    Bohr-Bury rules.

    (i) The maximum number of electrons present in a shell is given by the formula 2W, where ā€˜nā€™ is the orbit number or energy level index, 1, 2, 3

    (ii) The maximum number of electrons that can be accommodated in the outermost orbit is 8.

    (iii)Eleetrons are not accommodated in a given shell unless the inner shells are filled up.

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