Rhenium is a chemical detail with symbol Re and atomic wide variety 75. it's miles a silvery-white, heavy, third-row transition steel in institution 7 of the periodic desk. With an predicted average awareness of one component in line with billion (ppb), rhenium is one of the rarest factors within the Earth's crust. Rhenium has the 1/3-maximum melting point and 2nd-highest boiling factor of any detail at 5903 k. Rhenium resembles manganese and technetium chemically and is specifically received as a by-product of the extraction and refinement of molybdenum and copper ores. Rhenium suggests in its compounds a extensive style of oxidation states starting from −1 to +7.
observed in 1925, rhenium changed into the closing strong detail to be found. It turned into named after the river Rhine in Europe.
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