Two nuclides are different isotopes of the same element.
Which statement about the nuclides is correct?
Neutral atoms of the nuclides have the same number of electrons.
2 )
Nuclei of the nuclides have different numbers of protons.
3 )
Nuclei of the nuclides have the same number of nucleons.
4 )
Nuclei of the nuclides have the same number of neutrons.
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