Question

please give me this answer​

Answer 1

Answer:

$i)1s^{2}2s^{2} 2p^{6} 3s^{2}3p^{1} \\ii)1s^{2}2s^{2} 2p^{6} 3s^{1}\\iii)1s^{2}2s^{2} 2p^{6} 3s^{2}3p^{3}\\iv)1s^{2}2s^{2} 2p^{6} 3s^{2}3p^{6}4d^{1}$

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