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CHEMISTRY: TOPIC 3 PERIODICITY

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Pregunta:

What is First electron affinity? (4)

Autor: Sammy Universe



Respuesta:

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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