Protium

{
  "id": "MLC-T-CHM-009604",
  "term": "Protium",
  "field": "Chemistry",
  "definition": "The most common and lightest isotope of the element hydrogen, consisting of a single proton and no neutrons in its nucleus. It is represented by the symbol H or 1H. Protium accounts for over 99.98% of all naturally occurring hydrogen atoms, making it the predominant form of hydrogen in the universe.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "anion",
    "cation",
    "proton"
  ],
  "references": [
    "PAC, 1988, 60, 1115. 'Names for hydrogen atoms, ions, and groups, and for reactions involving them (Recommendations 1988)' on page 1116 (https://doi.org/10.1351/pac198860071115)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/protium/"
}