Shuanglin Qu Created 2026-10-20 Updated 2026-11-05
Chromium is the chemical element with atomic number 24 and symbol . It is a transition metal. A chromium-rich passive oxide layer helps stainless steel resist corrosion. Chromium(III) and chromium(VI) compounds have substantially different bonding, reactivity, and environmental behavior, so an oxidation state is essential when discussing a chromium compound.