MCAT Flashcard: Electron Affinity

Описание к видео MCAT Flashcard: Electron Affinity

What is electron affinity? Ken Tao is an MCAT expert and explains that it's the amount of energy associated with adding an electron to a neutral atom. A positive EA means that energy is required for the atom to gain the electron. A negative EA means that energy is released when the atom gains an electron.

Electron affinity increases from left to right across the periodic table and decreases going down the periodic table.

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