What is the correct formula for phosphorus pentachloride? (a) pcl5 (b) p5cl (c) p(clo)5 (d) po4cl (e) pcio

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.