Chemical element

{
  "id": "MLC-T-CHM-012972",
  "term": "Chemical element",
  "field": "Chemistry",
  "definition": "A pure substance consisting of only one type of atom, distinguished by its atomic number, which is the number of protons in the nuclei of its atoms. Elements cannot be broken down into simpler substances by ordinary chemical means. The periodic table organizes all known chemical elements.",
  "synonyms": [
    "element"
  ],
  "see_also": [
    "chemical substance",
    "nucleus"
  ],
  "references": [
    "Red Book, 3rd ed., p. 35"
  ],
  "url": "https://mlchart.com/terminology/chemistry/chemical-element/"
}