Science > Chemistry > Atomic Structure > Radioactivity Radioactivity was discovered by French physicist Antoine Becquerel in 1896. The phenomenon of spontaneous and continuous and uncontrollable disintegration of an unstable nucleus accompanied by the emission of active radiations is called natural radioactivity. The substance which exhibits radioactivity is called a radioactive substance. e.g. Uranium, thorium, […]
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Radioactivity
- Post author By Hemant More
- Post date July 30, 2020
- No Comments on Radioactivity
- Tags Alpha particles, Atomic mass number, Atomic number, Atomic structure, Beta particles, canal rays, Cathode rays, Charge on electron, Charge to mass ratio, Chemistry, Dalton's atomic theory, Discovery of electron, Discovery of neutron, Discovery of proton, gamma radiations, gamma rays, Isobars, Isotones, Isotopes, Mass on electron, Millikan's oil drop experiment, Mosley's contribution, Natural radioactivity, Neutron number, Neutrons, Protons, Radioactivity, Rutherford's model of atom, Structure of atom, Thomson's experiment, Thomson's model of atom, X-Rays