CBSE Class 9 Answered
(a) Explain Bohr and Bury rules for distribution of electrons into different shells.
(b) Draw the electronic structure of element X with atomic number 17 and element Y with atomic number 16?
Asked by Topperlearning User | 30 Mar, 2016, 05:56: PM
Expert Answer
(a) Bohr Bury Rules:
(i) The maximum number of electrons present in a shell is given by the formula 2n2 (where n is shell no.)
(ii) The maximum number of electrons that can be accommodated in the outer most orbit is 8.
(iii) Electron are not accommodated in a given shell, unless the inner shells are filled.
(b)
(i)Element X: At No. = 17; E.C = 2 , 8, 7
(ii) Element Y: At. No.= 16; E.C. = 2, 8, 6
Answered by | 30 Mar, 2016, 07:56: PM
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