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Chemistry · Oct / Nov 2016 · Paper 11 · Question 12

5070Ion and ionic bonds

An ionic compound has the formula XY, where Y is a non-metal. Which statement about XY is correct?

  1. AAn atom of X has lost at least one electron to form a positive ion.
  2. BBoth X and Y share a pair of electrons.
  3. CElement X is also a non-metal.
  4. DXY will not conduct electricity when liquid.

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Correct answer: A. An atom of X has lost at least one electron to form a positive ion.

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