1.

General electronic configuration of d-block elements is

Answer»

`(n-1)d^(1-10) NS^(1-2)`
`ns^(2) NP^(1-6)`
`(n-2)F^(0-14) (n-1)^(1-2) ns^(2)`
`(n-1)d^(1-5) ns^(1-2)`

ANSWER :A


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