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11 Na Sodium

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Atomic number		11
Symbol		Na
Atomic weight		22.989768
Density [g/cm3]		0.97
Melting point [°C]		98.8
Boiling point [°C]		885
1st Ionization energy [eV]		5.139
Electronic configuration		[Ne] 3s
Oxidation number (most stable)		1
Atomic radius [pm]		153.7
Ionic radius [pm]		102 (1+)
Abundance in crustal rocks [ppm]		22700
Origin of the name		form the English word soda; (the origin of the symbol Na (arab.) natrum = Soda)
Discovery		1807 by the English scientist Humphry Davy
Uses		Metallic sodium for sodium-vapor lamps as well as cooling agents in the reactor engineering, sodium carbonate for the production of glass.

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst

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