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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 Atomic Mass (u)
2130.15 Melting Point (K)
2944 Boiling Point (K)
7.19 Density (solid: g/cm³, gas: g/liter)
1.9 Atomic Radius (Å)
1.39 Covalent Radius (Å)
1.66 Electronegativity
6.77 First Ionization Energy (eV)
65.21 Electron Affinity
4 Number of Shells
2, 8, 13, 1 Electron Shell Occupations
0.45 Specific Heat (J/g)