autoionization

American  

[aw-toh-ahy-uh-nuh-zey-shuhn] / ˌɔ toʊˌaɪ ə nəˈzeɪ ʃən /

noun

Physics.

1. Auger effect.

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autoionization British  

/ ˌɔːtəʊˌaɪənaɪˈzeɪʃən /

noun

1. physics the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons

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Etymology

Origin of autoionization

auto- ¹ + ionization ( def. )

Example Sentences

Adding these two chemical equations yields the equation for the autoionization for water:

From Textbooks • Feb. 14, 2019

The ion product of water, Kw is the equilibrium constant for the autoionization reaction:

From Textbooks • Feb. 14, 2019

The extent of the water autoionization process is reflected in the value of its equilibrium constant, the ion-product constant for water, Kw:

From Textbooks • Feb. 14, 2019

Liquid water undergoes autoionization to a very slight extent; at 25 °C, approximately two out of every billion water molecules are ionized.

From Textbooks • Feb. 14, 2019

This may be explained via Le Châtelier’s principle as a left shift in the water autoionization equilibrium resulting from the stress of increased hydronium ion concentration.

From Textbooks • Feb. 14, 2019