ALPHA: 2 p+ and 2 n0 (Helium nucleus), mass decreases by 4 amu, travels 3-5 cm, stopped by paper or skin, causes mutations in DNA that kills cells/causes cancer- most dangerous when ingested or inhaled, used in smoke detectors, , BETA: nn0 turns into a p+ or p+ turns into a n0, no change in mass (just releases e- or positron), travels 2-3 m, stopped by glass, metal, 3 m of air, or 2 in of water, causes mutations in DNA that kills cells/causes cancer, used in cancer treatment, , GAMMA: high frequency electromagnetic wave , no change in mass (it's just energy), travels across galaxies, stopped by 4.2 m of water, 2 m of concrete, 0.4 m of lead, causes mutations in DNA that kills cells/causes cancer (most dangerous radiation)), used to irradiate food to kill food-borne pathogens, ,

Alpha, Beta, Gamma

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