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Chemistry · May / June 2021 · Paper 11 · Question 27

5070Atomic structure and the Periodic Table

Elements X and Y combine to form an ionic compound. Atoms of X have more protons than atoms of Y. Atoms of Y have more valence electrons than atoms of X. Which statement is correct?

  1. AIons of X are negatively charged.
  2. BAtoms of X have more electron shells than atoms of Y.
  3. CX and Y are in the same period of the Periodic Table.
  4. DX and Y are in the same group of the Periodic Table.

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Correct answer: B. Atoms of X have more electron shells than atoms of Y.

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