Question

Complete the Table

Element	Atomic number	Subshell electronic configuration	The subshell to which the last electron is added	Block
${}_{3}Li$	......	......	.......	......
${}_{12}Mg$	......	......	.......	.....
${}_{7}N$	......	........	.......	.......
${}_{21}Sc$	.....	.......	.....	.......

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Answer 1

Complete the Table

Element	Atomic number	Subshell electronic configuration	The subshell to which the last electron is added	Block
${}_{3}Li$	$3$	$1s^{2}2s^2$	$s$	$s$
${}_{12}Mg$	$12$	$1s^{2}2s^{2}2p^{6}3s^2$	$s$	$s$
${}_{7}N$	$7$	$1s^{2}2s^{2}2p^3$	$p$	$p$
${}_{21}Sc$	$21$	$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{1}4s^2$	$d$	$d$

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