مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
Electron affinity It is the amount of energy given out when an electron is added to a neutral gaseous atom. This results in the formation of an anion. For example Cl + e– → Cl + energy. The electron affinity of chlorine is 348 kJ mol-1. Electron affinity changes across a period. The electron affinity of the atoms increases from …
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