Now, we could also say, with the exception of one molecule, all nonmetal Hydrides are either neutral or acidic. The exception is ammonia. Ammonia is the only nonmetal that forms a weak base. Now, let's examine the right side of the periodic table. On the right side, all the way on the right side, and all the way down, we see that we have strong acids. So HCL and HBR are both strong acids.