2.3.1: Trends in Ionization Energy (Problems)

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PROBLEM \(\PageIndex{1}\)

Based on their positions in the periodic table, predict which has the largest first ionization energy: Mg, Ba, B, O, Te.

Answer: O

PROBLEM \(\PageIndex{2}\)

Based on their positions in the periodic table, predict which has the smallest first ionization energy: Li, Cs, N, F, I.

Answer: Cs

PROBLEM \(\PageIndex{3}\)

Based on their positions in the periodic table, rank the following atoms in order of increasing first ionization energy: F, Li, N, Rb.

Answer: Rb < Li < N < F

PROBLEM \(\PageIndex{4}\)

Based on their positions in the periodic table, rank the following atoms or compounds in order of increasing first ionization energy: Mg, O, S, Si

Answer: Mg< Si < S < O

PROBLEM \(\PageIndex{5}\)

Which main group atom would be expected to have the lowest second ionization energy?

Answer: Ra

Contributors

Paul Flowers (University of North Carolina - Pembroke), Klaus Theopold (University of Delaware) and Richard Langley (Stephen F. Austin State University) with contributing authors. Textbook content produced by OpenStax College is licensed under a Creative Commons Attribution License 4.0 license. Download for free at http://cnx.org/contents/85abf193-2bd...a7ac8df6@9.110).
Adelaide Clark, Oregon Institute of Technology

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