সিলিকনের ইলেকট্রন বিন্যাস কোনটি?

$\mathrm{Si}(14)=1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2}$

$\operatorname{Si}(14)=1 s^{2} 2 s^{6} 2 p^{6} 3 s^{2}$

$\mathrm{Si}(14)=1 s^{2} 2 s^{2} 2 p^{2} 3 s^{2} 2 p^{2}$

$\mathrm{Si}(14)=1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2}$