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Isótopos y número de masa

Química

ejercicio para repasar qué es un isótopo y calcular el número de neutrones a partir del número de masa

¿Isótopos o diferentes elementos?

Química

Identifica si es isótopo o elemento diferente. Calcula los protones, electrones, neutrones y masa atómica promedio.

ISÓTOPOS

Química

cÁLCULAR PROTONES Y NEUTRONES

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