Which of the following statements concerning isotopes is true?
a. Various isotopes of the same element have the same number of protons.
b. Various isotopes of the same element have the same ...
c. All isotopes of a given element are radioactive.
d. Various isotopes of the same element exhibit very different chemical reactivity.
e. Every element has 3 isotopes.
Atoms of the same element can have different numbers of neutrons; the different possible versions of each element are called isotopes.
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