Question

MCQ : Isobars are atoms having the same number of

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Answer

Question

Isobars are atoms having the same number of

  1. protons
  2. neutrons
  3. electrons
  4. protons + neutrons

Answer

protons + neutrons

Explanation

Isobars are atoms having the same mass number (A), which means they have the same total number of protons and neutrons, but different atomic numbers (Z) and different numbers of protons. Isobars have different chemical properties due to their different atomic numbers.

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