Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Resources
Bibliography
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

3D Scanners

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Injection Molding Design Guide

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

more free publications
Polonium
84
Po
[209]
Atomic Number 84
Atomic Weight [209]
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-10-0-2-4
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 9200 kg/m3 Solid  298.15 

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 527.15 K   101325 
Boiling Temperature 1235.15 K   101325 
Thermal Conductivity 20 W/m-K 300 101325 
 
Glossary
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

3D Scanners

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Injection Molding Design Guide

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