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  1. Imagine Dragons - Radioactive (Lyrics) - YouTube

    🎵 Follow the official 7clouds playlist on Spotify : https://lnkfi.re/7cloudsSpotify 🎧 Imagine Dragons - Radioactive (Lyrics) ⏬ Download / Stream: https://spoti.fi/2SJsUcZ 🔔 Turn on ...

  2. Radiation - Wikipedia

    If the source of the ionizing radiation is a radioactive material or a nuclear process such as fission or fusion, there is particle radiation to consider. Particle radiation is subatomic particles accelerated to …

  3. Radioactivity | Definition, Types, Applications, & Facts ...

    Dec 6, 2025 · radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei.

  4. RADIOACTIVE Definition & Meaning - Merriam-Webster

    The meaning of RADIOACTIVE is of, caused by, or exhibiting radioactivity. How to use radioactive in a sentence.

  5. What Is Radioactivity? - Energy.gov

    As its name implies, radioactivity is the act of emitting radiation spontaneously. This is done by an atomic nucleus that, for some reason, is unstable; it "wants" to give up some energy in order to shift …

  6. RADIOACTIVE | English meaning - Cambridge Dictionary

    RADIOACTIVE definition: 1. having or producing powerful and dangerous energy that comes from the breaking up of atoms: 2…. Learn more.

  7. Radiation Basics | Nuclear Regulatory Commission

    As previously indicated, large unstable atoms become more stable by emitting radiation to get rid of excess atomic energy (radioactivity). This radiation can be emitted in the form of positively charged …

  8. The Radioactive Atom: An Overview | Radiation and Your Health ...

    Feb 22, 2024 · Radioactive material is a solid, liquid, or gas that gives off radiation. Radiation is the energy that comes out of a radioactive atom. Radioactive isotopes, also known as radionuclides, are …

  9. The Science Behind Radioactive Elements

    May 1, 2025 · These unstable atoms release excess energy in the form of radiation — a process called radioactive decay. As atoms decay, they turn into different elements or isotopes in their attempt to …

  10. Radioactive decay - Wikipedia

    Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.