Electron affinity is the amount of energy absorbed when an electron is added to an isolated gaseous

Electron affinity is the amount of energy absorbed when an electron is added to an isolated gaseous

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Electron affinity is the amount of energy absorbed when an electron is added to an isolated gaseous atom to form an ion with a 1- charge. Sign conventions for electron affinity. If electron affinity > 0 energy is absorbed. If electron affinity < 0 energy is released. Electron affinity is a measure of an atom’s ability to form negative ions.
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Unformatted text preview: General periodic trend for electron affinity is the values become more negative from left to right across a period on the periodic chart. the values become more negative from bottom to top up a row on the periodic chart. Measuring electron affinity values is a difficult experiment....
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