BC: Within the Alkaline earth metals you will finds elements Be, Mg, Ca ,Sr, and Ba listed above this element. When this element grows up it will be used for industrial . radiography devices | http://chemistry.about.com/od/elementfacts/a/radium.htm 11/10/10 http://www.epa.gov/rpdweb00/radionuclides/radium.html 11/10/10
FC: 8 Ra Radium 226
2: Radium was discovered during the year of 1819. By Maria and Pierre Curie.
3: It has the atomic weight of 226 while, the atomic number stand at 88.
4: While this is grouped with Earth Alkaline earth metals this can be located in section 2,2A of the periodic table.
5: At room temperature its state of matter is solid. Its boiling point is 1413(k) while its melting point stands at 973 (k)