Information valid for Na-23 unless otherwise noted
Sodium
Basic Information
Symbol: Na
Atomic Number: 11
Mass: 22.9898
Melting Point: 97.8
Boiling Point: 552.9
Number of Protons/Electrons: 11
Number of Neutrons: 12
Classification: Alkali Metal
Crystal Structure: Cubic
Density: 0.971
Color: silvery
Atomic Structure
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
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![[ATOM]](atom.gif)
![[Bohr Model of Sodium]](b0011.gif)
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