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The Silicon ( Periodic Element n°14)

THE SILICON

( From Latin "silex", silicon)

SYMBOL: Si

ATOMIC NUMBER: 14

MOLAR MASS (g\mol): 28,09

NORMAL STATE: solid

DENSITY (g*cm-3): 2,33

MELTING POINT (°C): 1410

BOILING POINT ( °C): 2620

IONIZATION ENERGY (Kj\mol): 786, 1577

ELECTRON AFFINTY (Kj\mol): +134

ELECTRONEGATIVITY: 1,9

MAIN NUMBER STATES: +4

ATOMIC RADIUS (pm): 117

IONIC RADIUS (pm): 26 

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