chromism
英
[ˈkrəʊmɪzm]
美
[ˈkroʊmɪzəm]
Chromism
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abstract:
In chemistry, chromism is a process that induces a change, often reversible, in the colors of compounds. In most cases, chromism is based on a change in the electron states of molecules, especially the π- or d-electron state, so this phenomenon is induced by various external stimuli which can alter the electron density of substances.
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