TABLES

Pressure Units.

Atomic Units.

Energy Units.

Electron binding energies, in electron volts. (In PDF format)

Physical constants. (In PDF format)

Properties of the elements. (In PDF format)

Periodic Table of Elements. (In PDF format)

X-Ray Data Booklet

Database of Ionic Radii

Physics and Astronomy Classification Scheme (PACS)




1 meter = 103 millimeters = 106 micrometers = 109 nanometers = 1012 picometers = 1015 femtometers

1 THz = 33.36 cm-1; 1 meV = 8.066 cm-1