{^file Coinage metals: authors vary on whether or not roentgenium (Rg) is taken into account a coinage metallic. It is in group 11, like another coinage metals, and is anticipated to generally be chemically similar to gold.
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Mathematics. an algebraic program which is closed beneath an associative Procedure, as multiplication or addition, and where There may be an id ingredient that, on functioning on another element, leaves the second element unchanged, and in which each element has corresponding to it a unique ingredient that, 카지노 알 on functioning on the main, brings about the id aspect.