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1 markPeriodic Table and Periodicity

CSEC Chemistry · May/June 2006 · Paper 2 · Question 4(a)(i)

Table 3 shows part of the periodic table. Use only the elements indicated in Table 3 to answer the questions which follow. Each element may be used once, more than once or not at all.

Which element reacts most readily with dilute hydrochloric acid?

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Other parts of this question

  1. 4(a)(ii)Write a balanced equation to illustrate the reaction occurring in (a)(i) above.[2 marks]
  2. 4(a)(iii)Describe any difference(s) that may be observed in the reaction indicated in (a)(i) above, if dilute sulphuric acid were to be used instead of dilute…[4 marks]
  3. 4(b)(i)Identify TWO different elements in Table 3 which will combine by covalent bonding.[1 mark]
  4. 4(b)(ii)Draw dot-cross diagrams to illustrate the bonding in b(i) above.[3 marks]
  5. 4(c)(i)An element X (not the actual symbol) has an atomic number of 19. Place element X in the correct position in Table 3.[1 mark]
  6. 4(c)(ii)Give a reason for your answer in (c)(i).[2 marks]

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