Radicals/Octet Rule

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Maldonado3K
Posts: 39
Joined: Fri Sep 29, 2017 7:07 am

Radicals/Octet Rule

Postby Maldonado3K » Fri May 18, 2018 2:09 am

Can any element have a radical and can any element break the octet rule?

Endri Dis 1J
Posts: 33
Joined: Fri Apr 06, 2018 11:02 am

Re: Radicals/Octet Rule

Postby Endri Dis 1J » Fri May 18, 2018 2:27 am

No, not any element can break the octet rule as professor Lavelle discussed in lecture it's only the elements of either boron or smaller that can have an incomplete octet the key is to counting your valence electrons up and making the other elements "happy".

Now there are also expanded octets where elements can accommodate more electrons, this occurs for elements that are beneath the second period (an atomic number of 10 or higher ).

Sam Metzger 1C
Posts: 25
Joined: Wed Apr 04, 2018 3:00 am

Re: Radicals/Octet Rule

Postby Sam Metzger 1C » Fri May 18, 2018 12:17 pm

Right, elements that can break the octet rule (that we'll be looking at at least) are in n=3 shell or below and in the p block. Sulfur, Phosphorus, Chlorine, elements like these can break the octet rule. As for radicals, if the total valence electron count is an odd number, there is likely a radical on the central atom. Central atoms are usually the least electronegative, look for atoms like Nitrogen to be containing radicals.


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