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The kinetic energy is 3e7 eV
What is an alpha particle?
The structure of alpha particles, also known as alpha rays or alpha radiation, is similar to that of the helium-4 nucleus and is made up of two protons and two neutrons bonded together. They can also be created in various ways, although typically they are created during the alpha decay process.
The Greek letter "alpha" serves as the inspiration for the naming of these particles. The alpha particle is represented by the symbols or 2+. They are also sometimes written as He2+ or 4 2He2+, denoting a helium ion with a +2 charge, because they are similar to helium nuclei (missing its two electrons). The alpha particle transforms into a typical (electrically neutral) helium atom 4 2He after the ion absorbs electrons from its surroundings.
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