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What Is Periodic trends in electron gain enthalpy?

Periodic trends in electron gain enthalpy indicate the energy change when an electron is added to an atom.

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Key Points to Remember in Periodic trends in electron gain enthalpy

Generally, electron gain enthalpy becomes more negative across a period and less negative down a group.

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Periodic trends in electron gain enthalpy in NEET Chemistry: What to Focus On

NEET may test this through questions on the reactivity of nonmetals and their ability to gain electrons.