Silicone

Atomic Structure

Uses (Glass, Semiconductors, Electronic Cards)

Atomic number	:	14

Atomic mass	:	28.0855 g.mol^-1

Electronegativity according to Pauling	:	1.8

Density	:	2.33 g.cm^-3 at 20 °C

Melting point	:	1410 °C

Boiling point	:	3265°C

Vanderwaals radius	:	0.132 nm

Ionic radius	:	0.271 nm (-4) ; 0.041 (+4)

Isotopes	:	5

Electronic shell	:	[Ne] 3s²3p²

Energy of first ionisation	:	786.3 kJ.mol^-1

Energy of second ionisation	:	1576.5 kJ.mol^-1

Energy of third ionisation	:	3228.3 kJ.mol^-1

Energy of fourth ionisation	:	4354.4 kJ.mol^-1

Discovered by	:	Jons Berzelius in 1823