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helium nuclei, containing two protons and two neutrons
Alpha particles are helium nuclei, containing two protons and two neutrons.
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helium nucleuses and neutrons
For instance, beta particles are electrons, alpha particles are helium nucleuses and neutrons are uncharged particles.
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two neutrons and two protons
An alpha particle is two neutrons and two protons, while a beta particle (from beta - decay) is just an electron, which has one 1836th the mass of a proton.
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energetic helium nuclei that are given off by decaying radioactive materials such as radon gas and uranium
Alpha particles are energetic helium nuclei that are given off by decaying radioactive materials such as radon gas and uranium.
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helium nuclei ( 2 protons bound together with 2 neutrons) ejected at high velocity from the nuclei of certain decaying atoms
Alpha particles are helium nuclei (2 protons bound together with 2 neutrons) ejected at high velocity from the nuclei of certain decaying atoms.
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