Post-UTME Chemistry 2008 Objective — Question 1
Question 1 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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The difference in mass number (A) of isotopes of the same element is due to a difference in
- A. Proton number
- B. Number of electrons
- C. Neutron numberCorrect
- D. Proton and electron number
Explanation
Isotopes have the same proton number but differ in neutron number.
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