Group 11 element can also lead to the accumulation of these metals in body tissue; the results are the irreversible but apparently harmless pigmentation conditions known as chrysiasis and argyria respectively. Due to being short lived and radioactive, roentgenium has no biological use but it is likely extremely harmful due to its radioactivity. Group 11 element Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au). Roentgenium (Rg) is also placed in this group in the periodic table, although no chemical experiments have yet been carried out to
Russel Metals three business segments: metals service centres, energy products, and steel distributors. As of 2017, 49% of revenue was from the service centres, 39% was from energy products, and the rest was from steel distribution. It has sites in both Canada and the United States, with most sites located in Canada, and derives roughly 30 per cent of its revenues from the United States. Russel Metals Russel Metals Inc. is a Canadian public metals distribution and processing company. It is one of North America's largest metal distribution companies, with operations across Canada and the United States. The company was originally established