Isotopes are atoms of the same element that have the same number but a different number. this is because isotopes have the same number of protons but a different number of: neutrons.
It's an atom with the same number of protons but a different number of neutrons and thus, a different mass number.n isotope of an element is another element that has the same number of protons but a different number of neutrons .
The atoms of element differ from each other based on the number of protons or electrons they have. The number of protons or electrons is called the atomic number of an element which serves as its original identity. Now, an isotope of an element differs in their number of neutrons but the number of protons or electrons are similar.
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