3.2.3.0: Trends in Electron Affinity and Metallic Character (Problems)

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PROBLEM \(\PageIndex{1}\)

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

Answer: O

PROBLEM \(\PageIndex{2}\)

Based on their positions in the periodic table, predict which has the smallest electron affinity: 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 electron affinity: 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 electron affnity: Mg, O, S, Si

Answer: S < Si < Mg < O

PROBLEM \(\PageIndex{5}\)

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

Answer: F < N < Li < Rb

PROBLEM \(\PageIndex{6}\)

Based on their positions in the periodic table, predict which is the most metallic element: Mg, Ba, B, O, Te.

Answer: Ba

PROBLEM \(\PageIndex{7}\)

Based on their positions in the periodic table, predict which is the most nonmetallic element: Li, Cs, N, F, I.

Answer: F

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Contributors and Attributions

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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