| photodegradation(noun, form, study, treatment, science) |
| Grotthuss-Draper law(noun, expression, form, study, science) |
| Hund's rule of maximum multiplicity(noun, expression, study, treatment, science) |
| Kasha's rule(noun, expression, study, treatment, science) |
| Norrish reaction(noun, expression, study, treatment, science) |
| Stark-Einstein law(noun, expression, form, study, science) |
| Woodward-Hoffmann selection rule(noun, expression, study, treatment, science) |
| absorption of infrared radiation(noun, expression, form, study, science) |
| absorption of ultraviolet(noun, expression, form, study, science) |
| absorption of visible light(noun, expression, form, study, science) |
| activation barrier(noun, expression, form, study, science) |
| bioluminescence(noun, study, treatment, science, knowledge) |
| chemical reaction(noun, expression, form, study, science) |
| chemical reagent(noun, expression, study, treatment, science) |
| chemical substance(noun, expression, form, study, science) |
| conservation of angular momentum(noun, expression, form, study, science) |
| electrocyclic reaction(noun, expression, study, treatment, science) |
| excited state(noun, expression, form, study, science) |
| excited state proton transfer(noun, expression, study, treatment, science) |
| first law of photochemistry(noun, expression, form, study, science) |