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  2. Chromium compounds - Wikipedia

    en.wikipedia.org/wiki/Chromium_compounds

    Chromium compounds are compounds containing the element chromium (Cr). Chromium is a member of group 6 of the transition metals. The +3 and +6 states occur most commonly within chromium compounds, followed by +2; charges of +1, +4 and +5 for chromium are rare, but do nevertheless occasionally exist. [3] [4]

  3. Chromium - Wikipedia

    en.wikipedia.org/wiki/Chromium

    Chromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, ...

  4. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    Chromium (III) sulfate: Cr 2 (SO 4) 3: dark green Copper(II) sulfate anhydrate: CuSO 4: white Copper(II) sulfate pentahydrate: CuSO 4 ·5H 2 O blue Copper(II) benzoate: Cu(C 7 H 5 O 2) 2: blue Cobalt(II) chloride: CoCl 2: dep blue Cobalt(II) chloride hexahydrate: CoCl 2 ·6H 2 O deep magenta Manganese(II) chloride tetrahydrate: MnCl 2 ·4H 2 O ...

  5. Chromium (II) acetate - Wikipedia

    en.wikipedia.org/wiki/Chromium(II)_acetate

    Chromium(II) acetate hydrate, also known as chromous acetate, is the coordination compound with the formula Cr 2 (CH 3 CO 2) 4 (H 2 O) 2. This formula is commonly abbreviated Cr 2 (OAc) 4 (H 2 O) 2 . This red-coloured compound features a quadruple bond .

  6. Cr23C6 crystal structure - Wikipedia

    en.wikipedia.org/wiki/Cr23C6_crystal_structure

    The darker blue spheres represent chromium atoms outside of the polyhedra. Cr 23 C 6 is the prototypical compound of a common crystal structure, discovered in 1933 [1] as part of the chromium-carbon binary phase diagram. Over 85 known compounds adopt this structure type, [2] which can be described as a NaCl-like packing of chromium cubes and ...

  7. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    The flame test carried out on a copper halide.The characteristic bluish-green color of the flame is due to the copper. A flame test is relatively quick test for the presence of some elements in a sample.

  8. Chromium(III) chloride - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_chloride

    Chromium(III) chloride (also called chromic chloride) is an inorganic chemical compound with the chemical formula Cr Cl 3. It forms several hydrates with the formula CrCl 3 · n H 2 O , among which are hydrates where n can be 5 (chromium(III) chloride pentahydrate CrCl 3 ·5H 2 O ) or 6 (chromium(III) chloride hexahydrate CrCl 3 ·6H 2 O ).

  9. Template:Infobox chromium - Wikipedia

    en.wikipedia.org/wiki/Template:Infobox_chromium

    TemplateData for Infobox chromium. No description. Template parameters [Edit template data] Parameter Description Type Status; symbol: symbol: no description. Unknown ...