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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. 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.

  3. 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 …

  4. 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 …

  5. RADIOACTIVE Definition & Meaning - Merriam-Webster

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

  6. 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 …

  7. RADIOACTIVE | definition in the Cambridge English Dictionary

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