Atomic Number: | 11 |
Element Symbol: | Na |
Element Name: | Sodium |
Atomic Weight: | 22.989770 |
Group Number: | 1 |
Group Name: | Alkali metal |
Period Number: | 3 |
Block: | s-block |
Ground State Configuration: | [Ne] 3s |
Ground State Level: | 2S1/2 |
Standard State: | Solid |
Common Valences: | 0,1 |
Bond Length: | 371.6 |
Atomic Radius Empirical: | 180 |
Atomic Radius Calculated: | 190 |
Covalent Radius Empirical: | 154 |
Vander Waals Radius: | 227 |
Electron Affinity: | 52.8 |
First Ionization Energy: | 495.8 |
Pauling Electronegativity: | 0.93 |
Sanderson Electronegativity: | 0.56 |
Allred Rochow Electronegativity: | 1.01 |
Mulliken Jaffe Electronegativity: | 0.91 |
Allen Electronegativity: | 0.869 |
Density Of Solid: | 968 |
Molar Volume: | 23.78 |
Velocity Of Sound: | 3200 |
Youngs Modulus: | 10 |
Rigidity Modulus: | 3.3 |
Bulk Modulus: | 6.3 |
Mineral Hardness: | 0.5 |
Brinell Hardness: | 0.69 |
Electrical Resistivity: | 4.7 |
Melting Point: | 97.72 |
Boiling Point: | 883 |
Critical Temperature: | 2300 |
Thermal Conductivity: | 140 |
Coefficient Of Linear Expansion: | 71 |
Enthalpy Of Fusion: | 2.60 |
Enthalpy Of Vaporization: | 97.7 |
Enthalpy Of Atmization: | 107 |
Most Common Oxidation Numbers: | 1 |
Color: | Silvery white |
Classification: | Metallic |
Discovered By: | Sir Humphrey Davy |
Discovered At: | England |
Discovered When: | 1807 |
Origin Of Name: | From the English word soda (the origin of the symbol Na comes from the Latin word natrium) |
Calculate the molecular weight of Sodium or molecular weight Na.
Also see the full list of chemical elements and atomic weights.