A preferred contrast agent is a fullerol having at least one unpaired electron.
With an unpaired electron, an oxygen radical is a powerful oxidant.
By definition, they are atoms with at least one unpaired electron.
A single student (representing a methyl radical) waves his or her arm (an unpaired electron).
A free radical has an unpaired electron and wants to satisfy it by taking an electron from a molecule nearby.
Unlike other molecules, antioxidants do not become reactive when they lose an electron.
It will become unstable and reactive if there is an unpaired electron in the outer ring.
Because the hydrogen atom received an additional electron, it does not have an unpaired electron and thus is no longer a free radical.
Free radicals are highly reactive, due to an unpaired electron which endlessly seeks (often destructively) another electron to find equilibrium (2).
Free radicals are highly reactive, due to an unpaired electron which endlessly seeks (often destructively) another electron to find equilibrium.
A single hydrogen atom (H•) is neutral and has an unpaired electron (as represented by the small dot “•”).
A free radical is a molecule fragment that has an unpaired electron in its outer shell.
The free radicals are ‘missing a screw’; literally, they have an unpaired electron, which makes them unstable.
This hydrogen has a high affinity to free radicals, which are also carriers of an unpaired electron.
And so called « nascent hydrogen » is formed at the same time: a neutral hydrogen H atom possessing an unpaired electron.
Free radical: A compound that carries an unpaired electron; such radicals are extremely reactive, with a very short half-life.
These free radicals, which have an unpaired electron, can react chemically with neighboring elements, subtracting an electron from them, even after the original radiation has stopped.
free radical a radical that carries an unpaired electron; such radicals are extremely reactive, with a very short half-life.
This creates a highly reactive and unstable polymer ‘free radical’ (R*) and a hydrogen atom with an unpaired electron (H*).
These are electrically neutral molecular formations that possess an unpaired electron on a molecular orbital of σ-type (pronounced « sigma »).
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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