Chapter Name : Chemical Bonding And Molecular Structure |
Sub Topic Code : 102_11_04_04_05 |
Topic Name : Bond Parameters |
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Sub Topic Name : Resonance Structures |
• According to the concept of resonance, whenever a single Lewis structure cannot describe a molecule accurately, a number of structures with similar energy, positions of nuclei, bonding and non-bonding pairs of electrons are taken as the canonical structures of the hybrid which describes the molecule accurately.
Chemical bond, ionic bond, Lewis structures
Children playing with a skipping rope.
Do covalent molecules have stable structures?
Key Words | Definitions (pref. in our own words) |
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Resonance | Whenever a single Lewis structure cannot describe a molecule accurately, a number of structures with similar energy, positions of nuclei, bonding and non-bonding pairs of electrons are taken as the canonical structures of the hybrid which describes the molecule accurately. |
Gadgets | How it can be used |
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Skipping rope | When the skipping rope spins. It’s difficult to tell the exact location of the rope at any point of time |
Helps to explain the varying structures of molecules.
Playground, home,
Examples | Explainations |
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Skipping rope, drilling | A person’s body vibrates so fast that the overall body resonates. |
Resonance describes the accurate structure of molecules.
Some covalent molecules have resonating structures.
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