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Chemistry · Oct / Nov 2024 · Paper 12 · Question 25

5070Arrangement of elements

Which property determines the order of the elements in the Periodic Table?

  1. Athe masses of their atoms
  2. Bthe number of electrons in the outer shell
  3. Cthe number of neutrons in the nucleus
  4. Dthe number of protons in the nucleus

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Correct answer: D. the number of protons in the nucleus

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