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For an element (X) the successive ionisa...

For an element `(X)` the successive ionisation energies, `IE_(1), IE_(2), IE_(3), IE_(4)` and `IE_(5)` are `800, 2427, 3658, 25024` and `32824 kJ mol^(-1)` respectively, then that what is the number of valence electrons present in the element?

Text Solution

Verified by Experts

The correct Answer is:
3
First three `IE` are small, as compound to `IE_(4)` and `IE_(5)`. So three electrons can be easily lost.
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