"Chromium" Periodic table, Chromium Chromium - Element information, properties and uses Chromium - Element information, properties and uses Chromium - Element information Chromium, Periodic Table, RSC(英國皇家化學協會) the element chromium Periodic table, Chromium Royal Society of Chemistry - Chromium 15% chromium Cr http://www.rsc.org/periodic-table/element/24/chromium