45107cbe_s___Physics___Particle_Physics__Answer
[Date Answered] November 19, 1998 [Questioner (age, location)] Cathryne (Massechusetts, USA) [Question] What is the weight of a gamma ray? What is its charge? [Answer] 
Gamma rays are photons, which means they have no mass and no charge, since they have no protons, neutrons, or electrons.
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