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(Solved): 1.22The second ionization energies of some Period 4 elements are
Ca Sc Ti V Cr Mn
1145 1235 1310 1 ...
1.22The second ionization energies of some Period 4 elements are
Ca Sc Ti V Cr Mn
1145 1235 1310 1365 1592 1509 kJ mol−1
Identify the orbital from which ionization occurs, and account for the trend in values.