Definitions

1. noun

the phenomenon or property of having different atoms of the same chemical element with the same number of protons but different numbers of neutrons, resulting in different physical and chemical properties.

“The research team studied the isotopism of carbon-12 and carbon-13 to better understand their distinct chemical behaviors.”

2. noun

a type of variation in chemical isotopes, especially in relation to their physical and chemical properties.

“The scientist explained the isotopism of uranium isotopes, highlighting their differences in radioactivity and half-life.”