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What is resonance in chemistry?
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In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the combination of several contributing structures (or forms, also variously known as resonance structures or canonical structures) into a resonance hybrid (or hybrid structure) in valence bond theory.
In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the combination of several contributing structures into a resonance hybrid in valence bond theory.
- Resonance structures are a group of two or more Lewis structures that collectively represent a single polyatomic species ‘ electronic bonding inclu...
- Resonance structures are two examples of a molecule in which the chemical interaction is the same, but the electrons are distributed around the str...
- Resonance is a way to describe the combination of several contributing structures (or forms, also known as resonance structures or canonical struct...
- Ozone, or O 3 , has two major structures of resonance that contribute equally to the molecule’s overall hybrid structure. All structures reflect th...
- If the frequency matches the object’s resonant frequency it reaches, you will get what is called resonance. Resonance happens when the frequency of...
Jan 30, 2023 · Resonance is a way of describing delocalized electrons within certain molecules or polyatomic ions where the bonding cannot be expressed by a single Lewis formula. A molecule or ion with such delocalized electrons is represented by several resonance structures.
Some molecules have two or more chemically equivalent Lewis electron structures, called resonance structures. Resonance is a mental exercise and method within the Valence Bond Theory of bonding that describes the delocalization of electrons within molecules.
Resonance (video) | Khan Academy. Science > AP®︎/College Chemistry > Molecular and ionic compound structure and properties > Resonance and formal charge. Google Classroom. About Transcript. Resonance arises when more than one valid Lewis structure can be drawn for a molecule or ion.
- 7 min
- Sal Khan
- He’s only showing you that rather than there being one double bond and two single bonds, there are in reality three equal bonds somewhere between a...
- Certain molecules cannot be represented by a single Lewis structure. Instead there are multiple possible, valid structures which could exist which...
- In a resonance hybrid we have delocalized electrons. Delocalized electrons are electrons which are not solely bound to a single atom or bond, but r...
- Well Sal only put those lone pairs on each of the oxygen atoms in the first place to use up all the valence electrons according to the method used...
- The valance electrons of a single atom are simply the number of electrons that atom brings to the molecule. Once all the bonds form, there’s no lon...
Dec 16, 2021 · The discussion of resonance effect heavily relies on the understanding of resonance structures. Here we will focus on how to draw resonance structures (or resonance contributors) for organic chemistry species, and how to compare the relative stabilities between the structures.
Learn how the theory of resonance explains the structure and stability of molecules with multiple valence-bond structures. See examples of resonance in benzene, aromatic hydrocarbons, and other compounds.
