Which of the following has electronic configuration, 1s2 2s2 2p6?
(a)	K+	(b)	Mg2+	(c)	Be2+	(d)	Ar

Question ID - 103709 | SaraNextGen Top Answer

Which of the following has electronic configuration, 1s2 2s2 2p6?
(a)	K+	(b)	Mg2+	(c)	Be2+	(d)	Ar