The electron affinity values are negative for: A. B. C. D. E.

🧠 A negative electron affinity means endothermic — it happens when adding the electron disrupts a stable arrangement "Negative" in this question's wording means (energy must be supplied). That happens in three classic cases: filled (Be), half-filled (N), and the second-electron addition to an already-negative ion (O O). ![image](https://pub-2ff04ffcdd1247b6b8d19c44c1dfe553.r2.dev/shared/image/1777523617372Screenshot2026-04-30at10.03.18AM7db5666d.webp) 🗺️ Check each case A. : Be is . Extra e

PERI-045: The electron affinity values are negative for: A. [for... | JEE Main 2024 · Apr · S-I

PERI-045L4Classification of Elements and Periodicity JEE Main 2024 · Apr · S-I

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PERI-043

PERI-047

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