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1Ch. 21: Nuclear Chemistry• Radioactivity:– Term coined by Marie Curie to describe the emission of ionizing radiation by certain elements. – Emitted radiation is sufficiently energetic to eject electrons (ionize) or break chemical bonds.– Radiation either electromagnetic or particulate.•Types of Radiation: –αparticles: Nuclei of He atoms (i.e.,He2+)–β-particles: High energy electrons emitted by nuclei–γ(gamma) rays: High energy electromagnetic Radiation
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