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ChromiumCr Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 1

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