Si
Silicon
14
Atomic Number: 14
Atomic mass: 28.08553
Ionization energy: 787
Electronaffinity: -134
Covalent radius: 111
Calculated radius: 111
Empirical radius: 110
Vanderwaals radius: 210
Electronegativity: 1.9
Density: 2.33
Oxidation states: -4, -3, -2, -1, 1, 2, 3, 4
Melting point: 1687
Boiling point: 3173
Electron configuration: [Ne] 3s2 3p2
Element group: 14
Element period: 3

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