What is the colour when acid and alkali are mixed

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?