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What is the position of the element in t...

What is the position of the element in the periodic table satisfying the electronic configuration `(n-1)d^1 ns^2` for n = 4?

A

`3^(rd)` period and `3^(rd)` group

B

`4^(rd)` period and `3^(rd)` group

C

`3^(rd)` period and `2^(rd)` group

D

`4^(rd)` period and `2^(rd)` group

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The correct Answer is:
B
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