The ion product of water:
varies with ph
is only applicable to neutral water
remains constant regardless of the ph
ranges between 1.0 and 10-14
me and gracias ( you)

The ion product of water: remains constant regardless of the pH .

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.