Nuclei, isotopes and time

Hydrogen-1 and deuterium are both hydrogen because each nucleus has one proton, but deuterium also has one neutron.

Zinātne paliek atmiņā, ja definīcija ir saistīta ar kaut ko izmērāmu vai novērojamu.

After three half-lives, an ideal radioactive population has one eighth of its initial undecayed nuclei remaining.

Zinātne paliek atmiņā, ja definīcija ir saistīta ar kaut ko izmērāmu vai novērojamu.

A half-life does not mean every nucleus survives exactly that long; it is a statistical property of a population.