Basic Information

Name: Chromium 
Symbol: Cr 
Atomic Number: 24 
Atomic Mass: 51.9961 amu 
Melting Point: 1857.0 °C (2130.15 K, 3374.6 °F) 
Boiling Point: 2672.0 °C (2945.15 K, 4841.6 °F) 
Number of Protons/Electrons: 24 
Number of Neutrons: 28 
Classification: Transition Metal 
Crystal Structure: Cubic 
Density @ 293 K: 7.19 g/cm3 
Color: gray
Date of Discovery: 1797 
Discoverer: Louis Vauquelin 
Name Origin: From the Greek word chrôma (color) 
Uses: Stainless steel 
Obtained From: Chromite