One of the mysteries of the English language finally explained.
The ion H₃O⁺, consisting of a protonated water molecule and present in all aqueous acids.
- ‘In response to that stress, the conjugate base reacts with the hydronium ion, producing more carbon dioxide which is removed from the system by increasing respiration.’
- ‘Metals high on the activity series react more vigorously with oxidants including the halogens and the hydronium ion than those lower on the scale.’
- ‘Instead of floating free, hydrogen ions combine with water molecules to produce a positively charged hydronium ion.’
- ‘A hydronium ion, however, disrupts this structure because it can accommodate a maximum of three hydrogen bonds.’
- ‘Some examples of positively charged electrophiles are the hydronium ion, nitronium ions, metal ions, and carbocations.’
Early 20th century: hydronium, from German (a contraction).
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