When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Copper(I) sulfide - Wikipedia

    en.wikipedia.org/wiki/Copper(I)_sulfide

    Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur. It has the chemical compound Cu 2 S. It is found in nature as the mineral chalcocite. It has a narrow range of stoichiometry ranging from Cu 1.997 S to Cu 2.000 S. [4] Samples are typically black.

  3. Chalcocite - Wikipedia

    en.wikipedia.org/wiki/Chalcocite

    Chalcocite (/ ˈ k æ l k ə ˌ s aɪ t /), [6] [7] copper(I) sulfide (Cu 2 S), is an important copper ore mineral. It is opaque and dark gray to black, with a metallic luster. It has a hardness of 2.5–3 on the Mohs scale. It is a sulfide with a monoclinic crystal system. The term chalcocite from the Greek khalkos, meaning "copper".

  4. Copper sulfide - Wikipedia

    en.wikipedia.org/wiki/Copper_sulfide

    Prominent copper sulfide minerals include Cu 2 S and CuS . In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper-iron sulfides, are often referred to as "copper sulfides". In chemistry, a "binary copper sulfide" is any binary chemical compound of the elements copper and sulfur.

  5. List of copper salts - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_salts

    Copper is a chemical element with the symbol Cu (from Latin: cuprum) and the atomic number of 29. It is easily recognisable, due to its distinct red-orange color . Copper also has a range of different organic and inorganic salts , having varying oxidation states ranging from (0,I) to (III).

  6. Copper monosulfide - Wikipedia

    en.wikipedia.org/wiki/Copper_monosulfide

    Copper monosulfide is a chemical compound of copper and sulfur.It was initially thought to occur in nature as the dark indigo blue mineral covellite.However, it was later shown to be rather a cuprous compound, formula Cu 3 S(S 2). [4]

  7. Copper(I) sulfate - Wikipedia

    en.wikipedia.org/wiki/Copper(I)_sulfate

    Copper(I) sulfate, also known as cuprous sulfate, is an inorganic compound with the chemical formula Cu 2 SO 4. It is a white solid, in contrast to copper(II) sulfate, which is blue in hydrous form. Compared to the commonly available reagent, copper(II) sulfate, copper(I) sulfate is unstable and not readily available. [1]

  8. Red Dye 3 Just Got Banned. These Are the Foods to Avoid If ...

    www.aol.com/lifestyle/red-dye-3-just-got...

    The FDA determined that the data presented in a 2022 color additive petition show that this ingredient causes cancer in male laboratory rats exposed to high levels of FD&C Red No. 3 because of a ...

  9. Sulfide - Wikipedia

    en.wikipedia.org/wiki/Sulfide

    ZnS-doped with silver is used in alpha detectors while zinc sulfide with traces of copper has applications in photoluminescent strips for emergency lighting and luminous watch dials. 1850: 1314-98-3: C 6 H 4 S: Polyphenylene sulfide is a polymer commonly called "Sulfar". Its repeating units are bonded together by sulfide (thioether) linkages ...