5.-Escriba un isotopo para cada uno de los siguientes elementos : 125
a) Po'
b) B10
d) H
C) U 146

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule