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What is delocalized electron model?

What is delocalized electron model?

A delocalized electron is an electron in an atom, ion, or molecule not associated with any single atom or a single covalent bond. In a ring structure, delocalized electrons are indicated by drawing a circle rather than single and double bonds. Materials with many delocalized electrons tend to be highly conductive.

What is delocalized system?

Delocalization happens when electric charge is spread over more than one atom. For example, bonding electrons may be distributed among several atoms that are bonded together. Examples.

What is the purpose of delocalized electrons?

Charge delocalization is a stabilizing force because it spreads energy over a larger area rather than keeping it confined to a small area. Since electrons are charges, the presence of delocalized electrons brings extra stability to a system compared to a similar system where electrons are localized.

How do you find delocalized electrons?

The easiest way to spot delocalized electrons is to compare electron locations in two resonance forms. If a pair appears in one place in one form, and in a different place in another form, the pair is delocalized.

What is delocalized in chemistry?

In chemistry, delocalized electrons are electrons in a molecule, ion or solid metal that are not associated with a single atom or a covalent bond. Term delocalization is general and can have slightly different meanings in different fields.

What kind of bond is formed by delocalized electrons?

Metallic bonds
Metallic bonds result from the electrostatic attraction between metal cations and delocalized electrons. The nature of metallic bonding accounts for many of the physical properties of metals, such as conductivity and malleability.

What is a delocalized bond?

A delocalized bond can be thought of as a chemical bond that appears in some resonance structures of the molecule, but not in others. The electrons that belong to a delocalised bond cannot be associated with a single atom or a covalent bond.

What is difference between localized and delocalized?

The key difference between localised and delocalised chemical bonds is that localised chemical bond is a specific bond or a lone electron pair on a specific atom whereas delocalised chemical bond is a specific bond that is not associated with a single atom or a covalent bond.

What is a delocalized electron?

In chemistry, delocalized electrons are electrons in a molecule, ion or solid metal that are not associated with a single atom or a covalent bond. In quantum chemistry, this refers to molecular orbital electrons that have extended over several adjacent atoms.

What is an example of delocalization?

In a benzene molecule, for example, the electrical forces on the electrons are uniform across the molecule. The delocalization produces what is called a resonance structure. Delocalized electrons are also commonly seen in solid metals, where they form a “sea” of electrons that are free to move throughout the material.

How do delocalized electrons affect conductivity?

Delocalized electrons contribute to the conductivity of the atom, ion, or molecule. Materials with many delocalized electrons tend to be highly conductive. In a benzene molecule, for example, the electrical forces on the electrons are uniform across the molecule. The delocalization produces what is called a resonance structure .

What is the delocalization of electrons in benzene molecule?

Delocalization of electrons in benzene molecule gives rise to the resonance structure. Unshared or non-bonding pair of electrons in a molecule can also be delocalized.