# File:Isotopes and half-life 1.PNG

## Summary

Made with the same data as Image:Isotopes and half-life.PNG.

Graph of the stability of every known nucleus. Plotted as Z (number of protons) versus N (number of neutrons). The colour corresponds to the value of the half-life T½ with a strong log scale, as it varies between $10^{-20}$ and $10^{20}$ seconds.