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Radioactivity
/ɹˌeɪdɪəʊæktˈɪvɪti/
/ˈɹeɪdioʊˌækˌtɪvəˌti/, /ˌɹeɪdioʊˌækˈtɪvəˌti/Radioactivity
01
the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei in radioactive substances
Example
The phenomenon of radioactivity was discovered by Henri Becquerel while studying the properties of uranium salts.
The effects of ionizing radiation from radioactivity can damage living tissues and cells, leading to potential health risks.
Marie and Pierre Curie conducted pioneering research on radioactivity, discovering the elements polonium and radium.
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