Quelpr
2 marksMole Concept

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

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.

Write a balanced equation to illustrate the reaction occurring in (a)(i) above.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)(i)Which element reacts most readily with dilute hydrochloric acid?[1 mark]
  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]

More practice: the rest of this paper · more Mole Concept questions · all CSEC Chemistry past papers