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CHEMISTRY: TOPIC 3 PERIODICITY
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Pregunta:
What is First electron affinity? (4)
Autor: Sammy UniverseRespuesta:
Energy released when one mole of electrons is added to one mole of gaseous atoms to form one mole of negative ions energy released = exothermic (negative) greater atomic radius + shielding = less energy released non metals are more exothermic than metals
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Sammy Universe