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The electronic configuration of the atom of an element X is 2, 8, 4. In modern periodic table, the element X is placed in

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4th group

14th group

8th group

2nd group

answer is C.

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Detailed Solution

X element electronic configuration 2, 8, 9 .

Valence electrons $= 4 e^{-}$

No. of valence electrons represent group no 14^th .

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