Chemical properties - Sodium symbol, electronic configuration, density

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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