Yahoo Web Search

Sign In

  1. Also Try

Search results

  1. Dictionary
    radioactive
    /ˌreɪdɪəʊˈaktɪv/

    adjective

    • 1. emitting or relating to the emission of ionizing radiation or particles: "radioactive decay"

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

  2. www.britannica.com › science › radioactivityRadioactivity | Definition, Types, Applications, & Facts

    Jun 21, 2024 · Radioactivity is the property of some atomic nuclei to emit energy and subatomic particles spontaneously. Learn about the types of radioactivity, such as alpha, beta, and gamma decay, and their applications in science and medicine.

  3. ehss.energy.gov › ohre › roadmapWhat Is Radioactivity? - Energy

    Radioactivity is the spontaneous emission of radiation by unstable atomic nuclei. Learn how radioactivity is measured, what is radioactive half-life, and how radioactivity can be caused artificially or naturally.

  4. Videos

    View all

  5. www.thoughtco.com › definition-of-radioactivity-606338Radioactivity Definition in Science - ThoughtCo

    Radioactivity is the spontaneous emission of radiation from an unstable atomic nucleus. Learn about the units, types, and sources of radioactivity, and how it differs from other forms of radiation.

  6. www.energy.gov › science › doe-explainsradioactivityDOE Explains...Radioactivity | Department of Energy

    Radioactivity is the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes. Learn about the types, effects, and uses of radioactivity, and how the DOE Office of Science supports research and development of radioactive isotopes.

  7. www.scienceabc.com › pure-sciences › what-is-radioactivityWhat Exactly Is Radioactivity - Science ABC

    Jun 2, 2024 · Radioactive decay is a nucleus’ journey to attaining stability via emission of highly energetic radiation and subatomic particles. This phenomenon is called radioactivity. Our brain’s response to the word “radioactivity” often veers into the world of superheroes—swinging across the city, turning into a human fireball, or hulk-smashing bad guys.

    • 8 min

  8. www.iaea.org › newscenter › newsWhat is Radiation? | IAEA - International Atomic Energy Agency

    Jan 25, 2023 · Radiation is energy that moves in waves or particles. Learn about the different types of radiation, their beneficial and harmful effects, and how to protect yourself and the environment from ionizing radiation.

  9. scitechdaily.com › science-made-simple-what-is-radioactivityScience Made Simple: What Is Radioactivity? - SciTechDaily

    Jan 17, 2021 · Radioactivity is the release of energy from the decay of unstable atomic nuclei. Learn about the types of radioactive particles, the effects of radioactivity, and the applications and research of radioactivity supported by the DOE Office of Science.