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Identify the correct statement about isotopes: a) Isotopes are atoms of the same element that have different numbers of protons. b) Isotopes are at...

Identify the correct statement about isotopes:
a) Isotopes are atoms of the same element that have different numbers of protons.
b) Isotopes are atoms of different elements that have the same number of protons.
c) Isotopes are atoms of the same element that have the same number of protons and neutrons.
d) Isotopes are atoms of the same element that have different numbers of neutrons.
A afirmativa a) está correta.
A afirmativa b) está incorreta.
A afirmativa c) está incorreta.
A afirmativa d) está correta.