Question

How to find no of valence electrons from Ionization energy

Answer 1

If we know the electric configuration of an element,then only we will able to know it's valence electrons

for eg-:
Oxygen
Atomic number=8
Electric configuration=8
Valence electrons-:

Shell K=2
Shell L=6

so,the valence electrons will be 6.
always remember that atomic number is equal to the number of electrons and protons present in that element.

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