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Gamma ray is a type of radiation that has no mass & no charge. Gamma rays have a high penetrating power. Text us. Tags: gamma ray, radiation, mass. Wednesday, February 01 2012.
Since Alpha particles have two protons and no electrons, they have a net charge of 2+. During Alpha radiation an atom's proton count drops by two, and we know what that means - a NEW element is formed! Alpha radiation can be stopped by PAPER.