The first four ionization enthalpy values of ana element are 191,578,872 and 5962 kcal/mol respectively. Find the no. Of valence electrons in the element
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Explanation:
No.of valance electrons are 3.Because there is large enery difference observed between I.E3 to I.E4. That means the element has 3 electrons in Valence shell and after loosing three elections the element gets Stable configuration..thats why large difference observed At IE4
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