rhenium

element 75|nipponium

Rhenium

chemical element with symbol Re and atomic number 75

Rhenium single crystal bar and 1cm3 cube.jpg

Re

Chemical element with atomic number 75 (Re)

<span lang="en" dir="ltr"><span class="mw-page-title-main">Rhenium</span></span>

Rhenium is a chemical element; it has symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust. It has one of the highest melting and boiling points of any element. It resembles manganese and technetium chemically and is mainly obtained as a by-product of the extraction and refinement of molybdenum and copper ores. It can assume a wide variety of oxidation states ranging from ???3 to +7.

en

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Rhenium

standard