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describe two reasons why an alpha particle is less penetrating than a beta or gamma particle

NotSoSmart  May 25, 2018
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Alpha particles are energetic (fast) helium nuclei, beta particles are smaller and have half the charge, being energetic electrons (or positrons) only the gamma particles are gamma-ray photons, i.e., they are not massive particles at all, they are a form of electromagnetic radiation, a form more energetic than X-rays.
Source: https://www.quora.com/What-is-the-difference-between-alpha-beta-and-gamma-radiation

Guest May 25, 2018

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