آرایش الکترونی اتم‌های زیر را بنویسید: $_{8}\text{O} = 1s^{2} 2s^{2} 2p^{4}$ $_{9}\text{F} = 1s^{2} 2s^{2} 2p^{5}$ $_{10}\text{Ne} = 1s^{2} 2s^{2} 2p^{6}$ $_{11}\text{Na} = 1s^{2} 2s^{2} 2p^{6} 3s^{1}$ $_{12}\text{Mg} = 1s^{2} 2s^{2} 2p^{6} 3s^{2}$ $_{13}\text{Al} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{1}$ $_{14}\text{Si} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{2}$ $_{15}\text{P} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{3}$ $_{16}\text{S} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{4}$ $_{17}\text{Cl} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{5}$ $_{18}\text{Ar} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6}$ $_{19}\text{K} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{1}$ $_{20}\text{Ca} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2}$ $_{21}\text{Sc} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{1} 4s^{2}$ $_{22}\text{Ti} = 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{2} 4s^{2}$ $_{23}\text{V} = [\text{ناخوانا}]$ $_{24}\text{Cr} = [\text{ناخوانا}]$ $_{25}\text{Mn} = [\text{ناخوانا}]$