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Radioactivity | Definition, Types, Applications, & Facts
https://www.britannica.com/science/radioactivity
WEBMar 29, 2024 · 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. An unstable nucleus will decompose spontaneously, or decay, into a more stable configuration but will do so only in a few specific ways by emitting certain …
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Radioactivity Definition in Science - ThoughtCo
https://www.thoughtco.com/definition-of-radioactivity-606338
WEBSep 6, 2019 · Radioactivity is the process by which an unstable atomic nucleus loses energy by emitting radiation. While radioactivity results in the release of radiation, not all radiation is produced by radioactive material. The SI unit of radioactivity is the becquerel (Bq). Other units include the curie, gray, and sievert.
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Radioactive decay - Wikipedia
https://en.wikipedia.org/wiki/Radioactive_decay
WEBRadioactive 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. A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha, beta, and gamma decay.
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DOE Explains...Radioactivity | Department of Energy
https://www.energy.gov/science/doe-explainsradioactivity
WEBRadioactivity is the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes. Atomic nuclei consist of protons and neutrons bound together in tiny bundles at the center of atoms. Radioactive nuclei are nuclei that are unstable and that decay by emitting energetic particles such as photons, electrons, neutrinos ...
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Science Made Simple: What Is Radioactivity? - SciTechDaily
https://scitechdaily.com/science-made-simple-what-is-radioactivity/
WEBJan 17, 2021 · What Is Radioactivity? Radioactivity is the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes. Atomic nuclei consist of protons and neutrons bound together in tiny bundles at the center of atoms.
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Radiation in Everyday Life | IAEA - International Atomic Energy …
https://www.iaea.org/Publications/Factsheets/English/radlife
WEBRadioactivity is the term used to describe disintegration of atoms. The atom can be characterized by the number of protons in the nucleus. Some natural elements are unstable. Therefore, their nuclei disintegrate or decay, thus releasing energy in the form of radiation.
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Radioactivity - Chemistry LibreTexts
https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Nuclear_Chemistry/Radioactivity
WEBSep 24, 2022 · Radioactivity is the process by which the nucleus of an unstable atom loses energy by emitting radiation, including alpha particles, beta particles, gamma rays and conversion electrons Although radioactivity is observed as a natural occurring process, it can also be artificially induced typically via the bombarding atoms of a …
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31.1: Nuclear Radioactivity - Physics LibreTexts
https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/31%3A_Radioactivity_and_Nuclear_Physics/31.01%3A_Nuclear_Radioactivity
WEBJul 12, 2021 · 31.1: Nuclear Radioactivity. Page ID. OpenStax. Learning Objectives. By the end of this section, you will be able to: Explain nuclear radiation. Explain the types of radiation—alpha emission, beta emission, and gamma emission. Explain the ionization of radiation in an atom. Define the range of radiation.
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What Is Radioactivity? - Energy
https://ehss.energy.gov/ohre/roadmap/achre/intro_9_2.html
WEBWhat Is Radioactivity? What causes radioactivity? 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 …
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Introduction to Radioactivity and Nuclear Physics - OpenStax
https://openstax.org/books/college-physics-2e/pages/31-introduction-to-radioactivity-and-nuclear-physics
WEBSome of the mysteries of nature, such as why the core of the earth remains molten and how the sun produces its energy, are explained by nuclear phenomena. The exploration of radioactivity and the nucleus revealed fundamental and previously unknown particles, forces, and conservation laws.
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