General classification for substances with a low pH.
Capable of reacting as both an acid and a base.
General classification for substances with a high pH.
Exhibits significant but non-extreme acidic behavior.
Exhibits significant but non-extreme basic behavior.
Neither acidic nor basic at standard conditions.
Highly ionized in aqueous solution, exhibiting extreme acidity.
Highly ionized in aqueous solution, exhibiting extreme alkalinity.
Partially dissociates in solution, resulting in low concentration of H+ ions.
Partially dissociates in solution, resulting in low concentration of OH- ions.
Qualitative scale for the pH-dependent reactivity of a substance.