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ChemistryChemistry
14 August, 21:21

How many inner, outer, and valence electrons are present in an atom of each of the following elements?

(a) O (b) Sn (c) Ca (d) Fe (e) Se

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  1. 15 August, 00:54
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    (a) O = Valance Electrons (6), Inner electrons (8)

    (b) Sn = Valance Electrons (2), Inner electrons (36)

    (c) Ca = Valance Electrons (2), Inner electrons (20)

    (d) Fe = Valance Electrons (2), Inner electrons (26)

    (e) Se = Valance Electrons (6), Inner electrons (34)
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