Examlex
The reason that a surface appears darker when wet has to do with
Continuous Spectrum
A seamless spectrum of light (or other electromagnetic radiation) in which every wavelength within a certain range is represented.
Energy Level
The specific amount of energy an electron can have when occupying a certain orbital in an atom.
Atom
The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and electrons orbiting the nucleus.
Spectrum Color
The band of colors produced when light is separated into its component wavelengths, visible as when passing through a prism.
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