Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

more free magazines
Atomic Number 44
Atomic Weight 101.07
Electron Config. 2-2-6-2-6-10-2-6-7-0-1
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 12100 kg/m3 Solid  298.15 
Modulus of Elasticity 413.686 GPa Solid  0   
Poisson Ratio 0.3 Solid     
Thermal Expansion Coefficient 6.400 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 7.600 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2607.15 K   101325 
Boiling Temperature 4423.15 K   101325 
Critical Temperature 9600 K    
Fusion Enthalpy 381.8 J/g 101325 
Heat Capacity 238 J/kg-K 298.149993896 100000 
Thermal Conductivity 117 W/m-K 300 101325