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Sodium at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page


Basic Information


Name: Sodium
Symbol: Na
Atomic Number: 11
Atomic Mass: 22.98977 amu
Melting Point: 97.72 °C (370.87 K, 207.9 °F)
Boiling Point: 883 °C (1156 K, 1621 °F)
Number of Protons/Electrons: 11
Number of Neutrons: 12
Classification: Alkali Metal
Crystal Structure: Cubic
Density @ 293 K: 0.971 g/cm3
Color: silvery


Atomic Structure

[Bohr Model of Sodium]  
Number of Energy Levels: 3

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 1

Isotopes

Isotope Half Life
Na-222.6 years
Na-23Stable
Na-2414.96 hours

Facts


Date of Discovery: 1807
Discoverer: Sir Humphrey Davy
Name Origin: soda (Na2CO3)
Symbol Origin: From the Latin word natrium (sodium)
Uses: medicine, agriculture
Obtained From: table salts and other foods

Related Links

Note: The external links below are not a part of this site and their content is not the responsibility of this site
  1. Salt Institute
    • Contains lots of information about sodium's most famous compound
  2. Healthworld Online - Sodium
    • Contains an "Introduction to Tungsten", among other things
If you know of any other links for Sodium, please let me know

MLA Format for Citing This Page


Bentor, Yinon. Chemical Element.com - Sodium. <http://www.chemicalelements.com/elements/na.html>.

For more information about citing online sources, please visit the MLA's Website.

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