Madison Stock Exchange The is located at the address 170 Boston Post Rd in Madison, Connecticut 06443. For more information contact Gary Greenstein, Owner. For maps and directions to Madison Stock Exchange The view the map to the right. For reviews of Madison Stock Exchange The see below.
Ra-226 has been used in numerous applications following its discovery over 100 years ago. At the beginning of the 20 th Century, radium was a popular additive in consumer products such as toothpaste, hair creams, and even food items due to its supposed beneficial health properties.
Radium is a silvery-white metal. It is highly radioactive and its decay product, radon gas, is also radioactive. One result of radiumâs intense radioactivity is that the metal and its compounds glow in the dark. When it is exposed to air, it reacts with nitrogen to quickly form a black coating of radium nitride.iscovery of Radium. Radium was discovered in 1898 in Paris, by Marie S. Curie and her husband Pierre in pitchblende (mainly uranium dioxide, UO 2).