Final answer:
Hydrogen is an element known for emitting red light close to a wavelength of 656 nm. Photons carry energy correlating with their wavelengths, showcasing wave-like and particle-like traits.
Step-by-step explanation:
The concept you are referring to involves the colour, wavelength, and element associated with a particular photon. An element that is famously associated with a specific color due to the photon it emits is Hydrogen. The Balmer series of the hydrogen spectrum includes a photon with a wavelength of approximately 656 nm, which appears as red light and is often demonstrated in high school physics and chemistry classes. Photons are the fundamental particles of light that exhibit both wave-like and particle-like properties and carry energy that corresponds to their wavelength.