14 Question (2 points) The sleaming metallic appoarance of the Gateway Arch in St. Louis, Missouri, comes from the stainless steel used in its construction. This steel is mad mostly of icon, but itatso contains 19% (by mass) chromium and 9.0% (by mass) nickel. Stainless steel maintains its metallic sheen because the chromlum and hichel in it combine with oxygen from the atmosphere, forming a layer of Cr2O3 and NiO that is too thin to detract from the luster of the steel but that protects the metal beneath from further corrosion. 2nd attempt Part 1 (1 point) Iil See Periodic Table What is the name of the ionic compound Cr2O3 ? Part2 (1 point) What is the name of the ionic compound NiO