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Questions and Answers
What is the definition of chromic materials?
What is the definition of chromic materials?
- Dyes and pigments that exhibit a distinct color change when exposed to an external stimulus (correct)
- Materials that emit light when exposed to an external stimulus
- Materials that conduct electricity when exposed to an external stimulus
- Materials that change their physical state when exposed to an external stimulus
What induces chromism in compounds?
What induces chromism in compounds?
- Change in the physical structure of molecules
- Change in the chemical composition of molecules
- Change in the electron states of molecules, especially the π- or delectron state (correct)
- Change in the temperature of molecules
What does the term 'photochromic' refer to?
What does the term 'photochromic' refer to?
- Material that changes its color based on temperature fluctuations
- Material that can change their color upon a change in the frequency and intensity of incident light (correct)
- Material that changes its color based on mechanical stress
- Material that changes its color based on exposure to chemicals
What is an example of a type of chromic material?
What is an example of a type of chromic material?
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What is the origin of chromism in compounds?
What is the origin of chromism in compounds?
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