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hydrogen ion
noun
- ionized hydrogen of the form H + , found in aqueous solutions of all acids.
hydrogen ion
noun
- an ionized hydrogen atom, occurring in plasmas and in aqueous solutions of acids, in which it is solvated by one or more water molecules; proton. Formula: H +
- an ionized hydrogen molecule; hydrogen molecular ion. Formula: H 2 +
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Word History and Origins
Origin of hydrogen ion1
First recorded in 1895–1900
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Example Sentences
That is, different concentrations of hydrogen-ion or of hydroxide-ion are required to change their colors.
From Project Gutenberg
It is very likely that in aqueous acids, a large proportion, at least, of the hydrogen-ion is similarly combined with water.
From Project Gutenberg
The hydrogen-ion will very decidedly reduce the concentration of the acetate-ion, acetic acid being a weak acid (table, p. 104).
From Project Gutenberg
As a weak acid, acetic acid produces much less hydrogen-ion than is formed in equivalent solutions of sulphuric acid.
From Project Gutenberg
We call each a “hydrogen ion” but you can see that each is a single proton.
From Project Gutenberg
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