The ph scale is used to express the concentrations of hydronium ions and ions in solutions.

a.) carbon
b.) potassium
c.) hydroxide

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

•hydration •dissociation •dissolving which one goes to which