Silicon

Catalogue

Atomic structure

Discovery

Source

Element USES

physical property

Chemical property

Geological data

Biology data

Atomic structure

Atomic radius/A: 1.46 atomic volume/cm3 / mol: 12.1 covalent radius/A: 1.11

Electronic configuration: 1 2 3 s2p2 s2 s2p6 ion radius/A: 0.4 oxidation state: 4

Discovery

1824 in Stockholm, Sweden, by J.J. Berzelius found.

Source

Silicon is the second most abundant elements, in can contains 25% that constitute the clay, sand, granite and quartz's main ingredient.

Element USES

Used in the manufacture of glass, solar battery, cement and semiconductor, and so on.

physical property

State: hard dark grey nonmetal. Melting point (℃) : 1410 boiling point (℃) : 2355 density (g/cc, 300 K) : 2.33

Than hot/J/gK: 0.71 evaporation heat/KJ/mol: 384.22 melting hot/KJ/mol: 50.55

Conductive rate / 106 / cm: 2.52 E-12 coefficient of thermal conductivity/W/cmK: 1.48

Geological data

Abundance retention time/year: 30 000

The sun (relative to the H = 1 x 1012) : 4.47 x 107 sea/P.P.M.

The earth's crust/P.P.M. : 277 100 the Atlantic ocean surface: 0.03 the Pacific Ocean surface: 0.03

The Atlantic ocean depths: 0.82 the depths of the Pacific Ocean: 4.09

Biology data

The human body the content in liver/P.P.M. : 12-120

Organs: muscle/P.P.M. : 100-200

Blood/mg dm-3:3.9 days intake/mg: 18-1200

Bone/P.P.M. : 17 people (70 Kg) are total body/g: c. 1

Detailed information

Si