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An element $(X)$ belongs to fourth period and fifteenth group of the periodic table. Which one of the following is true regarding the outer electronic configuration of $(X)$ ? It has
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The correct answer is:
completely filled $s$ orbital and half-filled $p$ orbitals
The electronic configuration of $(X)$ can be written as
$X=1 s^2 2 s^2 2 p^6 3 s^2 3 p^6 4 s^2 3 d^{10} 4 p^3$
So, element $(X)$ has completely filled $s$ and $d$ orbitals and half filled $p$ orbitals.
$X=1 s^2 2 s^2 2 p^6 3 s^2 3 p^6 4 s^2 3 d^{10} 4 p^3$
So, element $(X)$ has completely filled $s$ and $d$ orbitals and half filled $p$ orbitals.
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