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  2. Isotope | Examples & Definition | Britannica

    www.britannica.com/science/isotope

    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 chemical behavior but with different atomic masses and physical properties. Every chemical element has one or more isotopes. Why do isotopes have different properties?

  3. Isotope Definition & Meaning - Merriam-Webster

    www.merriam-webster.com/dictionary/isotope

    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 mass number and different physical properties. How to use isotope in a sentence.

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

    sciencenotes.org/what-is-an-isotope-definition-and-examples

    Isotopes are forms of an element that have different numbers of neutrons. All isotopes of an element have the same atomic number and number of protons , but they have different atomic masses from each other.

  5. Isotope - Wikipedia

    en.wikipedia.org/wiki/Isotope

    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 hence belong to the same chemical element), but different nucleon numbers (mass numbers) due to different numbers of neutrons in their nuclei.

  6. 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. Learn about the meaning of isotopes here.

  7. Definition: Atoms of an element which have the same atomic number but different mass numbers are called isotopes of that element. These isotopes are variants of the same element in which the number of protons remains constant, but the neutron count varies.

  8. Isotopes - Atomic structure - AQA - GCSE Chemistry (Single ... -...

    www.bbc.co.uk/bitesize/guides/z3sg2nb/revision/5

    isotope Atoms of an element with the same number of protons and electrons but different numbers of neutrons. Isotopes of an element have: atomic number The number of protons in the nucleus...

  9. Isotopes are atoms whose atomic nuclei have the same number of protons but a different number of neutrons. Not all atoms of the same element are identical and each of these varieties corresponds to a different isotope.

  10. Isotopes: Definition, Examples, Types, Properties, Uses

    chemistrypubs.com/isotopes-definition-examples-types-properties-uses

    Isotopes Definition. It is defined as the variations of the same element containing the same number of protons and electrons with a different number of nucleons in their respective nuclei. We know that atomic mass or mass number is the combination of protons and neutrons. The atomic number of an element gives the idea about the total number of ...

  11. Isotopes: Definition, Explanation, Properties And Examples -...

    www.scienceabc.com/pure-sciences/what-happens-when-you-remove-a-neutron-from...

    Isotopes are formally defined as elements with the same number of protons, but a different number of neutrons in the nucleus. Another definition of isotopes defines them as atoms with the same atomic number (number of protons), but different atomic mass numbers (the sum of neutrons and protons of an atom).