Multiple choice general knowledge science & technology Unit Curie corresponds to the measure Moleculear bond strength Radioactivity Moleculear reaction Isotopes Reveal answer Fill a bubble to check yourself B Correct answer Explanation Curie is a unit of radioactivity (specifically, activity of radioactive sources), measuring the number of nuclear decays per second. It quantifies how radioactive a substance is, not bond strength, reaction rates, or isotope counting.