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The hydroxyl radical, Lewis structure shown, contains one unpaired electron. Lewis dot structure of a Hydroxide ion compared to a hydroxyl radical. In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron.
Free Radical Design Ltd. was a British video game developer based in Nottingham. Founded by David Doak , Steve Ellis, Karl Hilton and Graeme Norgate in Stoke-on-Trent in April 1999, it is best known for its TimeSplitters series of games.
The free radical theory of aging states that organisms age because cells accumulate free radical damage over time. [1] A free radical is any atom or molecule that has a single unpaired electron in an outer shell. [2] While a few free radicals such as melanin are not chemically reactive, most biologically relevant free radicals are highly ...
A free-radical reaction is any chemical reaction involving free radicals.This reaction type is abundant in organic reactions.Two pioneering studies into free radical reactions have been the discovery of the triphenylmethyl radical by Moses Gomberg (1900) and the lead-mirror experiment [1] described by Friedrich Paneth in 1927.
Pages in category "Free radicals" The following 82 pages are in this category, out of 82 total. This list may not reflect recent changes. ...
Free Radical, a New Zealand-based magazine "Free Radicals" (short story), by Alice Munro; Free Radicals: The Secret Anarchy of Science, a book by Michael Brooks; Music. Free Radicals (band), an American band "Free Radicals", a song by American rock band The Flaming Lips on the album At War with the Mystics; Video games
Chain propagation: A radical reacts with a non-radical to produce a new radical species; Chain termination: Two radicals react with each other to create a non-radical species; In a free-radical addition, there are two chain propagation steps. In one, the adding radical attaches to a multiply-bonded precursor to give a radical with lesser bond ...
Here, the new radical is generated on the polymer chain, which can further undergo a similar type of reaction to generate more styrene molecules. This process is known as the radical mediated depolymerization of polystyrene. Radical elimination reactions are found in enzyme-catalyzed pathways.