hydroxonium ion
/ˌhʌɪdrɒkˈsəʊnɪəm
/noun Chemistry
The ion H3O+, consisting of a protonated water molecule and present in all aqueous acids.Further down this page, we shall calculate the concentration of hydroxonium ions present in pure water....
- The trajectories of movement of the hydroxyl and hydroxonium ions are cycloids.
- One assumes that it is the hydroxonium ions but is this necessarily the case?
Origin
1920s: hydroxonium from hydro- (relating to hydrogen) + oxy-2 + the suffix -onium (from ammonium).