An element X belongs to fourth period and fifteenth group of the pe...

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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 \( \mathrm{X} \) ?
\( \mathrm{P} \)
(Kerala CEE 2008)
(a) It has partially field \( d \)-orbitals and completely filled \( s \)-orbitals
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(b) It has completely filled s-orbital and completely filled \( p \)-orbitals
(c) It has completely filled \( s \)-orbital and half filled \( p \)-orbitals
(d) It has half filled \( d \)-orbitals and completely filled s-orbitals
(e) It has completely filled \( d, s \) and \( p \)-orbitals
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