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Name
Atomic Number
Atomic Mass
Electron Configuration
Number of Neutrons
Melting Point
Boiling Point
Date of Discovery
Crystal Structure
Element Groups:
Alkali Metals
Alkaline Earth Metals
Transition Metals
Other Metals
Metalloids
Non-Metals
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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]](../bohr/b0011.gif) |
Number of Energy Levels: 3 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 1 |
Isotopes
| Isotope | Half Life |
| Na-22 | 2.6 years |
| Na-23 | Stable |
| Na-24 | 14.96 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- Salt Institute
- Healthworld Online - Sodium
- Contains lots of information about sodium's most famous compound
- Contains an "Introduction to Tungsten", among other things
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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