Sodium

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: Na
Atomic Number: 11
Atomic weight: 22.98977u
Melting Point: 371K
Boiling Point: 1156K
Number of Protons/Electrons: 11
Number of Neutrons: 12
Classification: Alkali Metal
Crystal Structure: Cubic
Density 0.97g/mL
Color: Silvery
Bonding radius: 1.54A
Atomic radius: 2.23A
Ionization Potential: 5.139V
Electronegativity: 0.93
Heat of vaporization: 96.96kJ/mol
Heat of fusion: 2.598kJ/mol
Specific heat: 1.23J/gK
Electron configuration: [Ne]3s1



Crystal Structure


Isotopes

Isotope Half Life
Na22 2.6 years
Na23 Stable
Na24 14.96 hours


Facts

Date of Discovery: 1807
Discoverer: Sir Humphrey Davy
Uses: medicine, agriculture
Obtained From: table salts and other foods


Related Links

Salt Institute Contains lots of information about sodium's most famous compou