Question

20. ¿Qué pareja de especies químicas en las alternativas NO coinciden en el número de electrones?

A. 6X4- y 11R+
B. 8Y2- y 11X+2
C. 9Z- y 11R+
D. 7W- y 9Z+
E. 8Y2- y 13Q3+

Answer 1

Respuesta:

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