The outermost valence electron in atom A experiences an effective nuclear charge of 2+
Chapter 8, Problem 130(choose chapter or problem)
The outermost valence electron in atom A experiences an effective nuclear charge of 2+ and is on average 225 pm from the nucleus. The outermost valence electron in atom B experiences an effective nuclear charge of 1+ and is on average 175 pm from the nucleus. Which atom (A or B) has the highest fi rst ionization energy? Explain.
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