Question

➜ What are isotopes_?




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Answer 1

Explanation:

Isotopes are nuclei that contain the same number of protons, but a different number of neutrons. ... The atomic number Z of an atom is equal to the number of protons in its nucleus.

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Answer 2

Explanation:

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Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.