4 days ago · Isotopes are said to be stable if, when left alone, they show no perceptible tendency to change spontaneously. Under the proper conditions, however, say in a nuclear reactor or …

Some isotopes/nuclides are radioactive, and are therefore called radioisotopes or radionuclides, whereas others have never been observed to decay radioactively and are called stable …

Sep 13, 2019 · Isotopes share the same chemical properties but may have different nuclear stability and physical properties. Some isotopes are stable, while others are radioactive and …

Aug 19, 2022 · Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element. Isotopes are forms of a …

Learn what isotopes are, how they differ by neutrons, and how to write isotope notation in this clear, student-friendly chemistry lesson.

Isotopes are atoms of the same element that have the same number of protons (i.e., atomic number, "Z") but a different number of neutrons, meaning that their mass number, "A", varies.

Sep 22, 2024 · Explore isotopes, their definition, meaning, characteristics, examples, and various uses in science and industry for a deeper understanding of this concept.

In this concept tutorial, learn about what an isotope is, some common isotopes and their uses, and how isotopes form and breakdown.

May 29, 2024 · Isotopes are variants of a particular chemical element that share the same number of protons but differ in the number of neutrons. This fundamental concept is crucial in various …

Oct 7, 2025 · Isotopes are atoms of the same element that differ in the amount of neutrons and atomic mass. Almost all elements on the periodic table have at least two different natural …