Participar da comunidade

    𝗿𝗮𝗱𝗶𝗼𝗮𝗰𝘁𝗶𝘃𝗶𝘁𝘆———減衰. 


radioactivity.

Radioactivity is the phenomenon of the spontaneous disintegration of unstable atomic nuclei to atomic nuclei to form more energetically stable atomic nuclei.