Assertion : The electron gain enthalpy of N is +ve while that of P is -ve

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

Problem

Assertion : The electron gain enthalpy of N is +ve while that of P is -ve. Reason : Smaller atomic size of N in which there is a considerable electron-electron repulsion and hence the additional electron is not accepted easily.

Related theory

Electron gain enthalpy and electronegativity
Classification of Elements and Periodicity in Properties
Electron affinity and electronegativity
Periodic Trends in Physical Properties

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