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Write down the electronic configuration ...

Write down the electronic configuration of :
(i) `Cr^(3+)`
(ii) `Cu^(+)`
(iii) `Co^(2+)`
(iv) `Mn^(2+)`
(v) `Pm^(3+)`
(vi) `Ce^(4+)`
(vii) `Lu^(2+)`
(viii) `Th^(4+)`

Text Solution

Verified by Experts

(i) `Cr^(3+)=[Ar]3d^(3)`
(ii) `Cu^(+)=[Ar]3d^(10)`
(iii) `Co^(2+)=[Ar]3d^(7)`
(iv) `Mn^(2+)=[Ar]3d^(5)`
(v) `Pm^(3+)=[Xe]4f^(4)`
(vi) `Ce^(4+)=[Xe]`
(vii) `Lu^(2+)=[Xe]4f^(14)5d^(1)`
(viii) `Th^(4+)=[Rn]`
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