- Oxygen: Chromium can combine with oxygen to form chromium oxides, such as chromium(III) oxide (Cr2O3) and chromium(VI) oxide (CrO3). These oxides are used in a variety of applications, such as pigments, catalysts, and abrasives.
- Hydrogen: Chromium can combine with hydrogen to form chromium hydrides, such as chromium(II) hydride (CrH2) and chromium(III) hydride (CrH3). These hydrides are used in a variety of applications, such as fuel cells and hydrogen storage.
- Halogens: Chromium can combine with halogens, such as fluorine, chlorine, bromine, and iodine, to form chromium halides, such as chromium(III) fluoride (CrF3), chromium(III) chloride (CrCl3), chromium(III) bromide (CrBr3), and chromium(III) iodide (CrI3). These halides are used in a variety of applications, such as catalysts, mordants, and photography.
- Sulfur: Chromium can combine with sulfur to form chromium sulfides, such as chromium(II) sulfide (CrS) and chromium(III) sulfide (Cr2S3). These sulfides are used in a variety of applications, such as semiconductors, catalysts, and lubricants.
- Carbon: Chromium can combine with carbon to form chromium carbides, such as chromium carbide (Cr3C2). Chromium carbides are used in a variety of applications, such as cutting tools, wear-resistant coatings, and abrasives.
- Nitrogen: Chromium can combine with nitrogen to form chromium nitrides, such as chromium nitride (CrN). Chromium nitrides are used in a variety of applications, such as coatings, semiconductors, and catalysts.
Chromium can also combine with other metals to form alloys. These alloys are used in a variety of applications, such as aerospace, automotive, and construction.
