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Radical (chemistry)

In chemistry, radicals (often referred to as free radicals) are atomic or molecular species with unpaired electrons on an otherwise open shell configuration.

These unpaired electrons are usually highly reactive, so radicals are likely to take part in chemical reactions.

Note:   The above text is excerpted from the Wikipedia article "Radical (chemistry)", which has been released under the GNU Free Documentation License.
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Matter & Energy News
February 7, 2016

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updated 12:56 pm ET