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The electronic configuration of an element X is 2 ,8 ,2
(a)find the number of electrons present in the atom of element
(b)write the atomic number
(c)this element X is a metal or nonmetal
(d)find out the valency of the element x
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The electronic configuration of an element X is 2 ,8 ,2
(a)find the number of electrons present in...
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