The ionization energy of the element astatine is 890 kJ/mol. Pred...

10. Periodic Properties of the Elements

Periodic Trend: Ionization Energy

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The ionization energy of tennessine will be less than that of astatine because its outermost electron is farther away from the nucleus.

The ionization energy of tennessine will be greater than that of astatine because its outermost electron is farther away from the nucleus.

The ionization energy of tennessine will be equal to astatine because its outermost electron is farther away from the nucleus.

The ionization energy of the element astatine is 890 kJ/mol. Predict if the ionization of the newly discovered element tennessine will be greater than, equal to, or less than astatine. Explain your answer.