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CGP EDU Academic Team
Published on: August 13, 2026
The five successive ionization enthalpies of an element are 800, 2427, 3658, 25024 and 32824 kJ 
. The number of valence electrons in the element is
Text Solution
Verified by ExpertsThe correct answer is:
A
There is a sudden jump after 3 rd 1.E. due to attainment of noble gas configuration. So, the number of valence electrons in this element are 3.
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