Element | Chromium | Symbol | Cr |
Atomic Number | 24 | Molar Mass | 52 gmol-1 |
Electron Configuration | [Ar]3d54s1 | Normal State | solid metal |
Density @STP | 7.19 g cm-3 | Melting Point | 1907oC |
Boiling Point | 2671oC | Stable Isotopes | 50Cr, 52Cr, 53Cr, 54Cr |
Atomic Radius | 129 pm | Ionic Radius | 84 (2+) pm |
Electronegativity (Pauling) | 1.66 | Ionization Energy (1st) | 653 kJ mol-1 |
Ionization Energy (2nd) | 1492 kJ mol-1 | Ionization Energy (3rd) | 2987 kJ mol-1 |
Molar Heat Capacity | 23.4 J K-1mol-1 | Standard Molar Entropy | 23.8 J K-1mol-1 |
Enthalpy of Fusion | 15.3 kJ mol-1 | Enthalpy of Vapourization | 348.78 kJ mol-1 |