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2 marksFirst Row Transition Elements

CAPE Chemistry Unit 1 · 2010 · Paper 2 · Question 6(d)

Transition metals have higher melting points than metals such as calcium in the s-block of the periodic table. Suggest TWO reasons for this.

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  1. 6(a)(i)Account for EACH of the following variations in properties across the period Na to Ar. Electronegativity increases across the period.[2 marks]
  2. 6(a)(ii)Account for EACH of the following variations in properties across the period Na to Ar. Melting point of the elements increases from Na to Si.[2 marks]
  3. 6(b)Describe the trend in the acid/base character of the oxides of the elements in Period 3.[3 marks]
  4. 6(c)Account for the acidic nature of the aluminium chloride solution.[2 marks]
  5. 6(e)(i)Write an equation to show how EACH of the following reacts with water. P4O10[2 marks]
  6. 6(e)(ii)Write an equation to show how EACH of the following reacts with water. PCl5[2 marks]

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