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

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.