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Calculate the effective nuclear charge o...

Calculate the effective nuclear charge of the last electron in an atom whose configuration is `1s^(2)2s^(2)2p^(6)3s^(2)3p^(5)`

Text Solution

Verified by Experts

Given : Z=17
`Z^(**)=Z-S`
`=17-[(0.35xx"No"`. Of other electrons in
`n^(th)"shell")++(0.85xx"No"`. Of electrons in
`(n-1)^(th)"shell")+(1.00xx"total number of electrons in the inner shells")]`
`=17-[(0.35xx6)+(0.85xx8)+(1xx2)]`
`=17-10.9=6.1`
`Z^(**)=6.1`.
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