Its symbol is Ra, its atomic number is 88, and its atomic mass is 226.0254. Radium s name came from new Latin. Its symbol is the first 2 letters in its name. I think it s similar because of that. Radium is a highly radioactive, extremely toxic, extremely rare, shiny, silver-white, metallic element.
Pure radium decomposes water, turns black in air, and reacts with acids.
All are radioactive. It s a solid, and it melts at 700 C and boils at 1140 C. Radium was discovered by Marie and Pierre Curie in 1898. Radium is found in uranium and thorium ores. It s formed by the decay of uranium. Radium is primarily used as a source of radiation in medicine and industry.