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Alpha particles contains helium ions or atoms or nucleus?if it contains helium nuclei then how this alpha particles discovered before the discovery of nucleus by rutherford?

Asked by abinash.gupta003 10th March 2017, 11:25 AM
Answered by Expert
In 1899, Rutherford had discovered alpha and beta rays from uranium. Today we know that they are not rays, they are particles; alpha is a nucleus of helium and beta is an electron.
Answered by Expert 10th March 2017, 12:09 PM
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