The electronic configuration of an element X is: 2,8,6 a) what is the group number and period number of element X in the periodic table ? b) what is the number of valence electrons and valency of element X? c) Name the element X. d) Is it a metal or a non -metal ?
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a. Sulphur
group no. -16
period-3
b. Valence electron-6
valency-2
non metal
suplphur
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