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Substances that will glow in the dark after being exposed to sunlight are called phosphorescents.
Radium is one kind of radioactive material that could be discovered in antiques. whilst radium changed into found in the early nineties people were curious about its mysterious glow and it became brought to many normal merchandises inclusive of paints. these paints had been used on the dials of clocks and watches to lead them to glow-in-the-dark.
Radioactivity is the phenomenon of the spontaneous disintegration of volatile atomic nuclei to atomic nuclei to form greater energetically solid atomic nuclei. Radioactive decay is a noticeably exoergic statistically random first-order procedure that takes place with a small quantity of mass being transformed into electricity. As its call implies radioactivity is the act of emitting radiation spontaneously.
Learn more about Phosphorescents here:-https://brainly.com/question/18909913
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