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Talk:Hantzsch–Widman nomenclature

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mancude ring system

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Who can explain what non-cumulated double bonds are? Simon de Danser (talk) 17:37, 15 May 2017 (UTC)[reply]

Skeletal replacement names

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Element Prefix   Element Prefix   Element Prefix   Element Prefix   Element Prefix
Boron bora Carbon (carba) Nitrogen aza Oxygen oxa Fluorine fluora
Aluminium alumina Silicon sila Phosphorus phospha Sulfur thia Chlorine chlora
Gallium galla Germanium germa Arsenic arsa Selenium selena Bromine broma
Indium inda Tin stanna Antimony stiba Tellurium tellura Iodine ioda
Thallium thalla Lead plumba Bismuth bisma Polonium polona Astatine astata

This is a different system, and differs from Hantzsch-Widman in a few cases (aluma, indiga). Double sharp (talk) 09:55, 24 July 2016 (UTC)[reply]