Ionisation energies three hypothetical elements are given below (in kJ/mole) : `{:(,I,II,III),(X,122,340,1890),(Y,99,931,1100),(

Ionisation energies three hypothetical elements are given below (in kJ/mole) :
`{:(,I,II,III),(X,122,340,1890),(Y,99,931,1100),(Z,118,1220,16552):}`
What could be the value of the first electron affinity of `Z^(++)` in `KJ mol^(-1)`?
A. 118
B. 1220
C. 1652
D. 734

Ionisation energies three hypothetical elements are given below (in kJ/mole) : `{:(,I,II,III),(X,122,340,1890),(Y,99,931,1100),(Z,118,1220,16552):}` W

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