Element M decays by Alpha emission

• A$_{12}^{82}X = _{13}^{78}X$ + particle
• B$_{12}^{82}X = _{10}^{78}X$ + particle
• C$_{12}^{82}X = _{13}^{82}X$ + particle
• D$_{12}^{82}X = _{10}^{82}X$ + particle

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