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3 marksPeriodic Table and Periodicity

CSEC Chemistry · May/June 2013 · Paper 2 · Question 2(a)(i)

Figure 2 shows a section of a periodic table with unknown elements X and Y. Compare Mg and X in terms of ease of ionization, and Cl and Y in terms of strength of oxidizing power. Provide a suitable explanation for your answer in EACH case.

Comparison of Mg and X according to ease of ionization

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Other parts of this question

  1. 2(a)(ii)Comparison of Cl and Y according to strength of oxidizing power[3 marks]
  2. 2(b)(i)Similar physical property[1 mark]
  3. 2(b)(ii)Different physical property[1 mark]
  4. 2(c)(i)State the type of bonding that occurs between phosphorous and Element Y.[1 mark]
  5. 2(c)(ii)Referring to only the electrons in the outer shells of the elements, sketch a diagram to show the bonding between phosphorous and Y.[3 marks]
  6. 2(c)(iii)Write the chemical formula for the compound formed from phosphorous and Y. Suggest TWO properties of this compound.[3 marks]

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