atomic number 13

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Noun

atomic number 13 - a silvery ductile metallic element found primarily in bauxite

aluminium foil, aluminum foil, tin foil - foil made of aluminum

metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

potash alum, potassium alum, alum - a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

alum, ammonia alum, ammonium alum - a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

bauxite - a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst

Duralumin - an aluminum-based alloy

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The $450,000 instrument simultaneously captures digital photographs and X-ray images of samples, while detecting measurable amounts of any of 80 chemical elements from aluminum (atomic number 13) to uranium (atomic number 92) without breaking the surface of the core.

New X-ray fluorescence core scanner reveals clues to Earth's past climate and history