The successive ionization energies for element X is given below :IE1 : 250 kJ mol –1IE2 : 820 kJ mol –1IE3 : 1100 kJ mol –1IE4 : 1400 kJ mol–1Find out the number of valence electron from element X.

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The successive ionization energies for element X is given below :
IE₁ : 250 kJ mol ^–1
IE₂ : 820 kJ mol ^–1
IE₃ : 1100 kJ mol ^–1
IE₄ : 1400 kJ mol^–1
Find out the number of valence electron from element X.

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The successive ionization energies for element X is given below :IE1 : 250 kJ mol –1IE2 : 820 kJ mol –1IE3 : 1100 kJ mol –1IE4 : 1400 kJ mol–1Find out the number of valence electron from element X.