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4 marksGroup II Elements

CAPE Chemistry Unit 1 · 2015 · Paper 2 · Question 6(b)

Account for the variation in the melting points of the Group II elements from magnesium to barium.

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  1. 6(a)The atomic and ionic radii of the Group II elements gradually increase down the group. Outline the reasons for this trend.[3 marks]
  2. 6(c)Account for the trend indicated in Table 4.[5 marks]
  3. 6(d)Explain the variation in the thermal decomposition of the nitrates of the Group II elements.[3 marks]

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