sodium

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Periodic table showing sodium

Sir Humphry Davy

sodium-vapour lamp bulb

Explore an interactive periodic table of the elements

sodium chloride

sodium bicarbonate

first ionization energies of the elements

hydration of a sodium ion

ionic bond: sodium chloride, or table salt

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sodium: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	natrium • Na

Photos

Periodic table showing sodium

Sir Humphry Davy

sodium-vapour lamp bulb

sodium chloride

sodium bicarbonate

first ionization energies of the elements

hydration of a sodium ion

ionic bond: sodium chloride, or table salt

See All Images and Interactives →

Topics

sodium-22 sodium-24 human nutrition sodium deficiency chemical element alkali metal hydrogen carbon nitrogen sulfur phosphorus boron iodine fluorine zinc iron

Dig Deeper: More Articles That Discuss This Topic

Key People

Sir Humphry Davy

Sir Humphry Davy

British chemist

Joseph-Louis Gay-Lussac, engraving by Ambroise Tardieu.

Joseph-Louis Gay-Lussac

French scientist

Rudolf Fittig

German chemist

Quiz

Concept artwork on the periodic table of elements.

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Periodic Table of the elements concept image (chemistry)

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