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Ziyan Wang 3J
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Joined: Wed Sep 18, 2019 12:22 am


Postby Ziyan Wang 3J » Thu Oct 31, 2019 1:44 pm

Why can we say some species with odd number valence electrons are radicals? Is the converse-negative statement also true? (Does species with even pair of electrons necessarily mean that they are not radicals?)

Daria Azizad 1K
Posts: 116
Joined: Thu Jul 25, 2019 12:15 am

Re: Radical

Postby Daria Azizad 1K » Thu Oct 31, 2019 2:02 pm

Species with an odd number of electrons have an unpaired electron. Take CH3 for example: there are 7 electrons total, so carbon will have 3 pairs and 1 single electron. This, by definition, makes it a radical. The converse is true, as even numbers of electrons form pairs.

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Joined: Thu Jul 25, 2019 12:17 am

Re: Radical

Postby nickianel_4b » Sat Nov 02, 2019 3:44 pm

Radicals are defined as compounds with an unpaired e-, and the converse is true--that compounds with an even number of electrons are not radicals. Important to note that because of the one unpaired e-, radicals are highly reactive and exist for only a short time (because they are likely to react and form something more stable).

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