Chromium is a silver, lustrous, very hard metal that can take a high mirror polish. It is also odorless, tasteless, and malleable. The metal forms a thin protective oxide coating in air, and burns when heated to form green chromium oxide(Cr2O3).
Melting point: 1907 °C Boiling point: 2671 °C
A rod is a uniform straight strand of a pure metal with a diameter >2mm.