Chromium
Contributor: Dr. Elizabeth Wise and the Chemistry Department of Lourdes University
About the Display: The display features:
- Chrome Green pigment used to create the green color seen on the murals at Lourdes University. Chrome Green is made from chromic oxide
- Glazed tiles glazed with Chrome Green pigment
- An image of a mural which can be seen on the walls of Lourdes University
- The front of a pamphlet from the Alverno Art Studio at Lourdes University where the pigment and tiles were made.
- Pure chromium metal which can be used in stainless steel and other alloys, or to create different pigments of paint
Cobalt compounds now in the Chromium display:
- A glazed tile from Lourdes University, glazed with Cobalt (II) Carbonate. The pigment appears pink before being used as a glaze
- A blue tile glazed with cobalt (II) carbonate
- An image of a mural at Lourdes University featuring several blue glazed tiles similar to the one in the display
About the Contributor: Lourdes University is a Catholic and Franciscan university located in Sylvania, Ohio. The Department of Chemistry and Physical Sciences (pictured) donated all items in the chromium display box.
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Symbol: Cr
Atomic Number: 24
Atomic Mass: 51.9961 u
Electron Configuration: [Ar] 3d54s1
Year Discovered: 1797
Discovered By: Louis Nicolas Vauquelin