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  1. Isotope - Wikipedia

    Isotopes are distinct nuclear species (or nuclides) of the same chemical element. They have the same atomic number (number of protons in their nuclei) and position in the periodic table (and …

  2. Isotope | Examples & Definition | Britannica

    5 days ago · What is an isotope? An isotope is one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical …

  3. What Is an Isotope? Definition and Examples - Science Notes …

    Sep 13, 2019 · An isotope refers to a sample of atoms. When the number of protons and neutrons of an individual atom is studied, it is called a nuclide of the element. In nuclear science, the …

  4. What are Isotopes? | IAEA - International Atomic Energy Agency

    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 …

  5. Isotope Definition and Examples in Chemistry - ThoughtCo

    Isotopes are samples of an element with different numbers of neutrons in their atoms. The number of protons for different isotopes of an element does not change. Not all isotopes are …

  6. DOE Explains...Isotopes | Department of Energy

    Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element’s …

  7. ISOTOPE Definition & Meaning - Merriam-Webster

    The meaning of ISOTOPE is any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or …

  8. What are Isotopes? - BYJU'S

    Isotopes can be defined as the variants of chemical elements that possess the same number of protons and electrons, but a different number of neutrons.

  9. Isotope Basics | NIDC: National Isotope Development Center

    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. …

  10. 2.6: Isotopes - When the Number of Neutrons Varies

    6 days ago · The isotope of carbon known as carbon-14 is an example of a radioisotope. In contrast, the carbon isotopes called carbon-12 and carbon-13 are stable. This whole …

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