Moderate
Isotopes are atoms having the same _____________________?
Correct answer: D. None of these
- A. Mass number
- B. Number of neutrons
- C. Atomic mass
- D. None of these
Explanation
Isotopes are atoms of the same element, so they have the same atomic number but different numbers of neutrons and consequently different mass numbers. None of the listed properties states this defining feature.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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