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Chemistry, 15.04.2021 18:50 Crxymia

La configuración electrónica de un átomo, eléctricamente neutro, termina en el subnivel principal semilleno del tercer nivel de energía. Indique el número atómico de elemento químico al cual pertenece el átomo. A) 33 B) 32 C) 18 D) 15

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