Radium is a special metal that glows in the dark! 😮
It was discovered in 1898 by Marie Curie and her husband, Pierre Curie, in Poland and France. Radium is found in certain minerals, such as uraninite, and has the chemical symbol "Ra." It's really rare and super interesting! Because of its glow, radium used to be a favorite material for making watches and clocks shine at night. However, radium is also radioactive, meaning it gives off energy and particles. This makes it important for science, but also means we need to be careful around it! ⚡
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