Alpha Particle

{
  "id": "MLC-T-ENV-001146",
  "term": "Alpha Particle",
  "field": "Environment",
  "definition": "1. Two neutrons and two protons bound as a single particle that is emitted from the nucleus of certain radioactive isotopes in the process of decay.\n\n2. A positively charged particle made up of two neutrons and two protons emitted by certain radioactive nuclei. Alpha particles typically pose no direct or external radiation threat; however, they can damage cells in the body if emitted from ingested or inhaled radionuclides.\n\n3. A form of particulate ionizing radiation made up of two neutrons and two protons. Alpha particles pose no direct or external radiation threat; however, they can pose a serious health threat if ingested or inhaled.",
  "abbreviation": "α",
  "subject": "Air",
  "references": [
    "Radon Glossary of Terms",
    "RadNet Glossary; Radiation Protection Radiation Glossary; RadTown Glossary",
    "Radiation Protection Radiation Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/alpha-particle/"
}