Define intersystem crossing.


Define intersystem crossing.


Photochemistry deals with the interaction of molecules with light. The photochemical reaction is caused by the interaction of photons of suitable energy. Each photon doesn't need to bring out the change, but only that photon which has a fixed amount of energy will bring out a chemical change.

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By the absorption of a photon of suitable energy, one of the paired electrons gets excited and one of the paired electrons goes to the higher energy...

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Photochemical Smog: Definition, Formation & Effects


Chapter 5 / Lesson 12

Explore photochemical smog. Learn the definition of smog and understand what causes photochemical smog. Find what photochemical smog is made of and see its effects.

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