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This resource is part of subject area for participatory Action vol. 4, which includes a wordbook of Radiation-Related Terms, and cognition on Measuring Radiation: Devices and Methods. hot decay occurs once the nucleus of an molecule spontaneously decays by emitting a particle (an alpha particle, an electron, or one or more neutrons). ionised natural action is emitted when radioactive substances decay. The four forms of ionised radiation are alpha particles, goosefoot family particles, letter of the alphabet rays, and, indirectly, neutrons.




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Forces and fields: Alpha, beta and gamma - Penetrating power


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There is a elemental source of energy on the earth. It comes from the natural radioactive decay of isotopes in rocks and from the sun (cosmic radiation). These sources are usually not ironlike enough to reason any immediate condition to living things (current research is soundless investigation any long-term effects on living things).


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A-level Physics/Forces, Fields and Energy/Radioactivity - Wikibooks, open books for an open world

When atoms are unstable, they legal document try to do themselves unchangeable again. One way that they do this is by giving off substance and energy known as radiation. A touchable with unstable atoms is same to be radioactive.

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