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Postby taiyeojeikere-3C » Fri Nov 02, 2018 10:12 pm

What exactly are radicals and how can we tell what species are radicals?

Jeremy Feng 1A
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Re: Radicals

Postby Jeremy Feng 1A » Fri Nov 02, 2018 10:42 pm

Radicals are atoms, molecules, and ions that have one unpaired valence electron. Because of their unpaired electron, radicals are usually very reactive and do not last long in nature. You would know if it is a radical by looking at their valence electrons and how they differ from their stable state.

Shreya Tamatam 3B
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Re: Radicals

Postby Shreya Tamatam 3B » Fri Nov 02, 2018 10:46 pm

You can tell when a compound is a radical if it does not follow the octet rule. For instance, the methyl radical has 7 valence electrons instead of a full octet and is therefore very reactive and unstable. Thus, it will only exist for a short time.

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Re: Radicals

Postby Sean_Rodriguez_1J » Fri Nov 02, 2018 10:55 pm

Adding on to what people are saying above, it becomes easy to identify radicals when you look at the Lewis structure. Because radicals always have an unpaired electron, the Lewis diagram for a radical will always have an odd number of valence electrons.

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