Explain why the electron affinity of sulfur is more negative (more exothermic) than…

CHEMISTRY · Subjective · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

Explain why the electron affinity of sulfur is more negative (more exothermic) than that of oxygen, even though both elements belong to the same group.

Related theory

Electronic Configuration
Atomic Structure
Electron gain enthalpy and electronegativity
Classification of Elements and Periodicity in Properties
Periodic Trends in Physical Properties

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