Element | Silicon | Symbol | Si |
Atomic Number | 14 | Molar Mass | 28.09 gmol-1 |
Electron Configuration | [Ne]3s23p2 | Normal State | solid metaloid |
Density @STP | 2.33 g cm-3 | Melting Point | 1414oC |
Boiling Point | 3265oC | Stable Isotopes | 28Si, 29Si, 30Si |
Atomic Radius | 118 pm | Ionic Radius | 26 (4+) pm |
Electronegativity (Pauling) | 1.9 | Ionization Energy (1st) | 787 kJ mol-1 |
Ionization Energy (2nd) | 1577 kJ mol-1 | Ionization Energy (3rd) | 3231 kJ mol-1 |
Molar Heat Capacity | 20 J K-1mol-1 | Standard Molar Entropy | 18.8 J K-1mol-1 |
Enthalpy of Fusion | 39.6 kJ mol-1 | Enthalpy of Vapourization | 383.3 kJ mol-1 |