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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 | Britannica

    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. Radioactivity: Definition, Types, Formula, and Applications

    Jun 10, 2025 · Radioactivity occurs when an atom has an excess of energy, mass, or both, making its nucleus unstable. To reach a lower, more stable energy level, it releases energy in the form of …

  7. 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.

  8. 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 …

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

    Feb 22, 2024 · But some atoms have an unstable combination blend of protons and neutrons, and these are considered radioactive. To get to a more stable state, the atom expels energy from the nucleus in …

  10. Radioactivity - Energy Education

    Radioactivity can also be referred to as radioactive decay or nuclear decay. The most common forms of radiation include alpha, beta, and gamma radiation, but other types of radioactive decay exist such …