The Nuclear Chart which represent every known nucleus, stable and unstable. Plotted as Z (number of protons) versus N (number of neutrons). The color corresponds to the value of the half-life T_½ with a strong log scale, as it varies between ${\displaystyle 10^{-20}}$ and ${\displaystyle 10^{20}}$ seconds.

Made by fffred with gnuplot.

This graph image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}. It is recommended to name the SVG file “Isotopes and half-life.svg”—then the template Vector version available (or Vva) does not need the new image name parameter.

I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.