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Solved: Two atoms have the electron configurations 1s 2 2s
Chapter 8, Problem 8.56(choose chapter or problem)
Two atoms have the electron configurations 1s 2 2s 2 2p6 and 1s 2 2s 2 2p6 3s 1 . The first ionization energy of one is 2080 kJ/mol, and that of the other is 496 kJ/mol. Match each ionization energy with one of the given electron configurations. Justify your choice.
Questions & Answers
QUESTION:
Two atoms have the electron configurations 1s 2 2s 2 2p6 and 1s 2 2s 2 2p6 3s 1 . The first ionization energy of one is 2080 kJ/mol, and that of the other is 496 kJ/mol. Match each ionization energy with one of the given electron configurations. Justify your choice.
ANSWER:Step 1 of 3
Across a period, Ionization energy increases while going down in a group, it decreases. It is measured in kJ/mol. The factors affecting ionization energy are; Charge on nucleus and distance of electron from nucleus