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Ionization energy (IE) is the energy required to remove an electron from a gaseous atom or ion. Understanding periodic trends in ionization energy helps predict how elements behave in reactions.
Understanding the trends in ionization energy is crucial for predicting the reactivity and stability of elements in the periodic table.
Keywords: Ionization Energy, Periodic Trends, First Ionization Energy, Second Ionization Energy, Noble Gases, Alkali Metals
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