ionization enthalpy is the energy required to remove an electron from a neutral atom. As we move from left to right in the periodic table the ionization enthalpy, in the same period, increases. And as we move from top to bottom in a group, the ionization enthalpy decreases.
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Answer:
ionization enthalpy is the energy required to remove an electron from a neutral atom. As we move from left to right in the periodic table the ionization enthalpy, in the same period, increases. And as we move from top to bottom in a group, the ionization enthalpy decreases.