01 About Chromium
Makes stainless steel stainless. Chrome's mirror-like finish comes from its extremely thin, self-healing oxide layer. The green in emeralds and red in rubies - both chromium.
02 Physical Properties
State at room temperature๐ชจ Solid
Melting point1907 ยฐC
Boiling point2671 ยฐC
Density7.15 g/cmยณ
Atomic mass51.996 u
Electron configuration2,8,13,1
Period / GroupPeriod 4, Group 6
BlockD-block
03 Discovery
Chromium was discovered in 1798 by Vauquelin.