Examples of isotopes include:
A) oxygen 8 and oxygen 16.
B) carbon 12 and nitrogen 14.
C) hydrogen 1 and helium 1.
D) sodium 23 and potassium 23.
E) carbon 12 and carbon 14.
Correct Answer:
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A)
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A)atom.
B)ion.
C)compound.
D)mixture.
E)element.
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