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Isotopes of an element have

Chemistry
JAMB 2023

Isotopes of an element have

  • A. The same number of protons but different numbers of neutrons.
  • B. The same number of neutrons and electrons
  • C. The same number of protons and neutrons
  • D. The same number of protons and electrons
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Correct Answer: Option A
Explanation

Isotopes of an element have the same number of protons (which defines the element) but may have different numbers of neutrons. Since atoms are electrically neutral, the number of protons must equal the number of electrons in an atom.

There is an explanation video available below.

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Explanation Video

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