![]() ![]() Radon has a melting point of -95 ☏ (-71 ☌) and a boiling point of -79 ☏ (-61.7 ☌).When radon is cooled below its freezing point of -96 ☏ (-71 ☌) it emits a bright radiating luminescence that starts out yellow and as the temperature lowers becomes a orangey red color.Radon is a radioactive noble gas, it is colorless, odorless and tasteless.Radon is a chemical element, its symbol is Rn and it has an atomic number of 86.The Standardised Periodic Table now recognises more periods and elements than Dimitri Mendeleev knew in his day but still all fitting into his concept of the "Periodic Table" in which Radium is just one element that can be found. Radium was discovered by Marie Curie and her husband Pierre Curie in 1898. The famous Russian Scientist, Dimitri Mendeleev, perceived the correct classification method of "the periodic table" for the 65 elements which were known in his time. The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 which includes the Radium element. An invaluable source for more interesting facts and information about the Radium element and as a Chemistry reference guide.įacts and Info about the element Radium - IUPAC and the Modern Standardised Periodic Table Our Periodic Table is simple to use - just click on the symbol for Radium for additional facts and info and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc of Radium with any other element. The element Radium and the Periodic Tableįind out more facts about Radium on the Periodic Table which arranges every chemical element according to its atomic number, as based on the periodic law, so that chemical elements with similar properties are in the same column. Occurrence of the element Radium in the Atmosphereįound in USA, Canada, New Mexico, Australia and Africa Handling of radium has since been blamed for Marie Curie's premature death. Radium was isolated into its pure metal by Marie and Pierre Curie and Andre Debierne in 1902. The Curies removed uranium from the pitchblend and found that the remaining material was still radioactive. Radium was discovered by Marie Curie and her husband Pierre Curie in 1898 in pitchblende which was found in Joachimsthal, North Bohemia. Instead, they are widely distributed in rock structures.īrief Facts about the Discovery and History of the Element Radium An Element classified as an Alkaline Earth Metals are found in the Earth’s crust, but not in the elemental form as they are so reactive. Radium is classified as an "Alkaline Earth Metals" which are located in Group 2 elements of the Periodic Table. The name originates from the Latin word radius meaning ray.įacts about the Classification of the Element Radium What are the origins of the word Radium ? Interesting Facts about the Origin and Meaning of the element name Radium It is used in cancer radiotherapy, as a neutron source for some research purposes, and as a constituent of luminescent paints. Facts about the Definition of the Element RadiumĪ rare, brilliant white, luminescent, highly radioactive metallic element found in very small amounts in uranium ores, having 13 isotopes with mass numbers between 213 and 230, of which radium 226 with a half-life of 1,622 years is the most common. ![]()
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