Alpha particles and alpha radiation: Explained

Jan 11, 2020
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Of the main types of radiation, alpha particles are the heaviest and slowest, with a mass of 4 amu and ejection speeds of approximately 12,400 miles per second (20,000,000 km per second)
Uhm, the speed of light is about 300,000 km per second so I believe you meant 20,000 km per second!

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