1.

`e^(-)` configuration of `._(90)` Th-A. `(n-2)f^(2),(n-1)d^(1)ns^(1)`B. `(n-2)f^(1),(n-1)d^(1)ns^(2)`C. `(n-2)f^(0),(n-1)d^(2)ns^(2)`D. `(n-2)f^(2),(n-1)d^(0)ns^(2)`

Answer» Correct Answer - C


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