Question

define resonance.. .​

Answer 1

$Resonance$

Resonance describes the phenomena of amplification that occurs when the frequency of a periodically applied force is in harmonic proportion to a natural frequency of the system on which it acts. When an oscillating force is applied at the resonant frequency of another system, the system will oscillate at a higher amplitude than when the same force is applied at other, non-resonant frequencies.

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Answer 2

ANSWER

✔️ There are some molecules/ions which can be represented by a number of different Lewis structure, but none of these structures can explain the actual properties of molecules/ions. The different structures are called resonating structures. The actual structure is a mixture of all these resonating forms and is called resonance hybrid.