Q. 174.2( 5 Votes )

Explain Bohr-Bury scheme.

Answer :

Bohr-Bury scheme –

i. The maximum number of electrons that could be present in a shell is given by the rule 2n2, where n is the orbit number or energy level.


Example, in first shell, n = 1, then number of electrons = 2


Similarly for other shells, the diagram is shown below:



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


iii. Electrons are not accommodated in a given shell unless all the inner shells are completely filled.


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