free radical
free radical
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11.
by BART NIEUWENHUIJSEN - 2008-09-02
Radicals are molecules, atoms or ions that have an unpaired (extra) electron in their outer (electron) shell. Unpaired electrons are highly reactive and play a part in many of many chemical reacti...
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12.
by Bart Nieuwenhuijsen - 2008-09-10
Radicals are molecules, atoms or ions that have an unpaired (extra) electron in their outer (electron) shell. Unpaired electrons are highly reactive and play a part in many of many chemical reactions ...
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13.
by Patrick T. Mullen - 2010-09-01
We need oxygen to breathe as without it we would die. Are body cells also depend on oxygen as does all animal and plant life that lives on the planet earth. Oxygen is key to the reproduction and healt...