The electron configuration of an elements 1s 2s 2pº3s 3p 4s'3d.
Mention the group and period of the element belongs.
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Since the highest prinipal quantum number here is 4 the period is 4th.
And since the valence electron goes in d orbital here the group must be somewhere from between 3rd to 12th.
(You need to know the no. of valence electrons in order to tell the period).
And since the valence electron goes in d orbital here the group must be somewhere from between 3rd to 12th.
(You need to know the no. of valence electrons in order to tell the period).
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Explanation:
15 P [Ne] 3s2 3p3
16 S [Ne] 3s2 3p4
17 Cl [Ne] 3s2 3p5
18 Ar [Ne] 3s2 3p6
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