Question

faça uma distribuiçao eletronica dos elementos e indique o periodo e a familia dos mesmo

A)15p

B)18Ar

C)20Ca

D34Se

E)50sn

Answer 1

A) $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$

b) $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}$

C) $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$$4s^{2}$

D) $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{4}$

E)  $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}$$5s^{2}4d^{10} 5p^{2}$