Rank each of the molecules below in order of the shortest to the longest sulfur oxygen bond length a. SO2 b. SO3^2- c. SO4^2-

The element that has the greatest electronegativity is

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

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.