The atomic number is 24 and it's mass number is 51.996. It is located in period 4 and group number 6, transition metals. It is a solid and a metal.
Chromium is used to help harden steel.
Chromium is used to manufacture stainless steel I.e. Appliances, silverware, and tools.
Chromium is used to create several alloys or "rims" for cars.