Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Machine Design

How-to, in-depth technical articles for machine design engineers

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

Laser Focus World

Semiconductors, medical equipment, lasers, optics and aviation and aerospace.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

more free magazines
Atomic Number 10
Atomic Weight 20.1797
Electron Config. 2-2-6
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 0.8999 kg/m3 Gas  293.15  101325 
Density 1204 kg/m3 Liquid  27.07  101325 

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 24.56 K   101325 
Boiling Temperature 27.07 K   101325 
Critical Temperature 44.45 K    
Fusion Enthalpy 16.4 J/g 101325 
Vaporization Enthalpy 84.74 J/g 101325 
Heat Capacity 1030 J/kg-K 298.149993896 100000