MDCAT Chemistry MCQ #835

A researcher compares electron affinities of oxygen and sulfur. Which element exhibits higher electron affinity despite periodic trends?

MDCAT Chemistry MCQ #835

  1. Question 1

    Q1. A researcher compares electron affinities of oxygen and sulfur. Which element exhibits higher electron affinity despite periodic trends?

    • A) Oxygen
    • B) Sulfur
    • C) Both equal
    • D) Neither

    Answer: Sulfur

    Explanation: Sulfur has a higher EA than oxygen due to less electron-electron repulsion in larger orbitals. Oxygen's EA is lower due to repulsion.