Element With An Atomic Number 23 Will Be Placed In The Periodic Table In Which Group?

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Solution

An element with the atomic number 23 is Vanadium and its chemical symbol is V.
The electron configuration of the element Vanadium is: 1s² 2s² 2p⁶3s² 3p⁶ 4s² 3d³
The formula for calculating group number for d - block element $= No . of electrons (n - 1) d subshell + No . of electrons (n) s subshell$
Group number of $V (23) = 3 + 2 = 5$
Hence, Vanadium belongs to the 5^th group and d-block.

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