Category

Sodium

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

Atomic radius/: 2.23
Atomic volume/cm3 / mol: 23.7
Covalent radius/: 1.54

Electronic configuration: 1s2 2s2p6 3s1
Ion radius/: 1.02
Oxidation state: 1

Discovery

In 1807 in London, the British scientific research institute, Humphry Davy isolated by Mr.

Source

By electrolysis sodium chloride, borax and BingJingShi.

Element USES

Used in medicine, agriculture and photography and so on, also used in the manufacture of street lamp, battery and glass, etc.

physical property

State: soft qualitative silvery white alkaline metal. Melting point (℃) : 98 boiling point (℃) : 883 density (g/cc, 300 K) : 0.971

Than hot/J/gK: 1.23 evaporation heat/KJ/mol: 96.96 melting hot/KJ/mol: 2.598

Conductive rate / 106 / cm: 0.21 coefficient of thermal conductivity/W/cmK: 1.41

Geological data

Abundance retention time/year: 1 x 108

The sun (relative to the H = 1 x 1012) : 1.91 x 106 sea/P.P.M. : 10 500

The earth's crust/P.P.M. : 23 000

Atmospheric/P.P.M. (volume) :

Biology data

The human body the content in liver/P.P.M. : 2000-4000

Organs: muscle/P.P.M. : 2600-7800

Blood/mg dm-3:1970 days intake/g: 2-15

Bone/P.P.M. : 10 000 people (70 Kg) are total body/g: 100

Detailed information

Na