Photon

{
  "id": "MLC-T-CHM-008894",
  "term": "Photon",
  "field": "Chemistry",
  "definition": "A quantum of electromagnetic radiation, representing the smallest discrete unit of light or other electromagnetic waves. It carries energy proportional to its frequency and travels at the speed of light in a vacuum. Photons have no rest mass and exhibit both wave-like and particle-like properties.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "Planck constant",
    "carrier",
    "momentum"
  ],
  "references": [
    "Green Book, 2nd ed., p. 93 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2262 (https://doi.org/10.1351/pac199668122223)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/photon/"
}