An isotope has same number of protons but a different number of neutrons as the original element in the atomic nucleus; it has the same atomic number as the element which isn't an isotope, but will have a different mass number.
-atomic number
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Isotopes of a given element have the same number of protons (which defines the element) but different numbers of neutrons. This results in isotopes having the same chemical properties but different atomic masses.
The atoms of all isotopes of a given element have the same number of protons, but different numbers of neutrons. If they are neutral atoms, the number of protons will equal the number of electrons.
the same number of protons.
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which turns out to be the element's
Atomic Number.
isotopes of a given element differ in the number of neutrons they have.
Isotopes of a given element have the same number of protons but different numbers of neutrons, resulting in different atomic masses. This causes isotopes to have different physical properties, such as differing in stability and radioactive decay rates.
Those are different isotopes of the same element. Different isotopes of the same element have the same number of protons, but a different number of neutrons. There are a little over 100 known elements, but over 3000 different known isotopes.
Isotopes are different forms of the same element which have different numbers of neutrons in their atomic nuclei. A given element is identified by the number of protons in its nucleus; that's its atomic number. Two different isotopes of the same element have the same number of protons, but each has a different number of neutrons in its nucleus. Different isotopes of the same element are chemically the same.
No, not all atoms of a given element are alike in all respects. Isotopes are atoms of the same element that have different numbers of neutrons, leading to variations in atomic mass. This means isotopes of the same element may behave slightly differently in certain chemical reactions.