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Discuss the factors affecting electron gain enthalpy and the trend in its

variation in the periodic table.

Chemistry - Exemplar Problems

Chapter 3. Classification of Elements and Periodicity in Properties


Electron gain enthalpy also known as electron affinity has the same factors which influence Ionization energy. They are
1.Nuclear charge
2. Atomic size
3. Screening effect
4. Penetration power
5. stable electronic configuration
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