(a)
Interpretation: A brief description about the discovery of radioactivity has to be given.
Concept Introduction:
Nuclear chemistry is all about what happens in the nucleus of an atom.
Radioactivity is the property of some atomic nuclei of spontaneously emitting gamma rays or subatomic particles.
(b)
Interpretation: A brief description about the discovery of identification of radium and polonium has to be given.
Concept Introduction:
Nuclear chemistry is all about what happens in the nucleus of an atom.
Radioactivity is the property of some atomic nuclei of spontaneously emitting gamma rays or subatomic particles.
(c)
Interpretation: A brief description about the first artificial nuclear reaction has to be given.
Concept Introduction:
Nuclear chemistry is all about what happens in the nucleus of an atom.
Radioactivity is the property of some atomic nuclei of spontaneously emitting gamma rays or subatomic particles.
Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.
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