Question

MCQ : Isotopes of an element has the same

  • Matter: Atomic structure
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Answer

Question

Isotopes of an element has the same

  1. mass number (A)
  2. number of neutrons
  3. number of protons
  4. number of protons but not electrons

Answer

number of protons

Explanation

Isotopes of an element have the same number of protons (atomic number) but different mass numbers (A) due to a different number of neutrons. Isotopes also have the same chemical properties but different physical properties.

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