Abegg's rule

noun
\ ˈä-ˌbegz- How to pronounce Abegg's rule (audio) , -ˌbeks- How to pronounce Abegg's rule (audio) \

Medical Definition of Abegg's rule

: a rule in chemistry: for a given chemical element (as sulfur) the sum of the absolute value of its negative valence of maximum absolute value (as −2 for sulfur in H2S) and its positive valence of maximum value (as +6 for sulfur in H2SO4) is often equal to 8

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“Abegg's rule.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Abegg%27s%20rule. Accessed 18 Jan. 2021.

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