If two atoms are isotopes of the same element, the atoms must have
1.
the same number of prot...
If two atoms are isotopes of the same element, the atoms must have
1.
the same number of protons and the same number of neutrons
2.
the same number of protons and a different number of neutrons
3.
a different number of protons and the same number of neutrons
4.
a different number of protons and a different number of neutrons
Answers: 3
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