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
Taxation of precious metals same "intra-community transaction" rules to all of Europe on a bilateral basis resulting in legally tax-free silver coin availability throughout all of Europe. Precious metals are subject to tax as collectibles, with any profit being taxed at the collectibles capital gains rate. This is normally the standard income tax rate, with metal held over 1 year is subject to a maximum of 28%. Note that many people unfamiliar with the collectibles tax rates (including some well-known websites) incorrectly think that precious metals are taxed at a flat 28% (because they interpret the word "maximum" in "maximum 28% rate"). Taxation of