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Radical (chemistry)

In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive.

History, History and nomenclature & In biology and medicine

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Overview

Organic radicals

Combustion

In biology and medicine

Inorganic, main group, and related non-carbon radicals

Atmospheric radicals

History and nomenclature

Depiction in chemical reactions

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Radical (chemistry)

Nodes188
Edges187
Triples16
Avg. degree1.99
Density0.010638
Components1

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Important terminology

radicals radical reactions organic also free compounds many bond oxygen example electrons important unpaired chemistry superoxide chemical form electron may

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
superoxideinstance ofwhile too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species0.80text
hydrogen peroxideinstance ofwhile too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species0.80text
and hydroxyl radicalinstance ofwhile too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species0.80text
commonly associated with cell damageinstance ofwhile too much uric acid causes gout.Reactive oxygen speciesReactive oxygen species or ROS are species0.80text
cancerinstance ofwhich may contribute to many diseases0.80text
strokeinstance ofwhich may contribute to many diseases0.80text
myocardial infarctioninstance ofwhich may contribute to many diseases0.80text
diabetesinstance ofwhich may contribute to many diseases0.80text
major disordersinstance ofwhich may contribute to many diseases0.80text
atherosclerosis are also attributed to radical induced oxidation of cholesterol to 7-ketocholesterol.Oxybenzone has been found to form radicals in sunlightinstance ofSome of the symptoms of aging0.80text
and therefore may be associated with cell damage as wellinstance ofSome of the symptoms of aging0.80text
superoxideinstance ofReactive oxygen speciesReactive oxygen species or ROS are species0.80text

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