The five successive ionization enthalpies of an element are 800, 2427, 3658, 25024 and 32824 kJ mol–1. The number of valence electrons in the element is
Select the correct option:
A
3
B
4
C
5
D
2
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
There is a sudden jump after 3rd I.E. due to attainment of noble gas configuration. So, the number of valence electrons in this element are 3.
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