Leaves are green because they contain chlorophyll, a pigment whose molecules absorb all the light energy in the visible light spectrum except the parts producing the green color of the leaf, which is reflected.
Chromophore is the name of the chlorophyll functional group (aka moiety) of the chlorophyll molecule.
Organic pigments (chemicals that have color) have chromophores.
Chromophores absorbs, reflect and/or transmit visual light energy.
For more information about Chromophores:
- How chromophores in thermochromic products change.
- Ideas for adding rigor to lessons about thermochromic stickers.
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