Which element of the first transition series possesses the highest first ionization enthalpy?

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Solution

Zinc (Zn) possess the highest first ionization energy in first transition series. The ionization energy of Zinc is 906 kJ/mole. It is because the shell is complete. Zinc's electronic configuration is $[A r] 3 d^{10} 4 s^{2}$ , which is a complete configuration for a transition metal.

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Which element of the first transition series possesses the highest first ionization enthalpy?

Zinc (Zn) possess the highest first ionization energy in first transition series. The ionization energy of Zinc is 906 kJ/mole. It is because the shell is complete. Zinc's electronic configuration is [Ar]3d104s2, which is a complete configuration for a transition metal.

Zinc (Zn) possess the highest first ionization energy in first transition series. The ionization energy of Zinc is 906 kJ/mole. It is because the shell is complete. Zinc's electronic configuration is $[A r] 3 d^{10} 4 s^{2}$ , which is a complete configuration for a transition metal.