Unit 3 Chemistry

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7 Terms

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Electron Affinity

energy released (exothermic) from the addition of an electron to a gaseous ion or atom

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Unit of electron affinity

kJ/mol

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C(g) + e-

C-(g) Electron Affinity

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Electron Affinity Magnitude Despite the Negatives

Absolute value of electron affinity determines its affinity

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Significance of Electron Affinities above or equal to 0

won’t accet an electron without external forces

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When are p and d subshells most stable

half-filled or totally filled with electrons

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What are the electron affinities of stable elements

tend to be smaller/positive