Sodium Properties, Molecular Formula, Applications - WorldOfChemicals
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Sodium Properties

Sodium

Description

 

Sodium is a soft, silvery-white, highly reactive metal and is a member of the alkali metals within group 1.It is an essential element for all animal life and for some plant species. In animals, sodium ions are used in opposition to potassium ions, to allow the organism to build up an electrostatic charge on cell membranes, and thus allow transmission of nerve impulses when the charge is allowed to dissipate by a moving wave of voltage change.

Chemical Properties

Appearance Solid
Atomic Number 11
Block S
Boiling Point 883 °C
CAS Number 7440-23-5
Density 0.97 g/cm3
EINECS Number 231-132-9
Electron Configuration [Ne] 3s1
Group 1
Ionization Energy 495.8 kJ/mol
Melting Point 98 °C
Molar Mass 22.989 g/mol
Oxidation State +1,0,-1
Period 3
Symbol Na
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