- Atomic Radius (Å)
Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.
24 Atomic Number
52 u Atomic Mass
2130.15 K Melting Point
2944 K Boiling Point
7.19 g/cm³ Density
1.9 Å Atomic Radius
1.39 Å Covalent Radius
1.66 Electronegativity
6.77 eV First Ionization Energy
65.21 Electron Affinity
4 Number of Shells
2, 8, 13, 1 Electron Shell Occupations
0.45 J/g Specific Heat