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4 marksStructure and Bonding

CSEC Chemistry · May/June 2015 · Paper 2 · Question 2(c)

Describe TWO tests that are performed in the laboratory to distinguish between an 'ionic solid' and a 'molecular solid'. Suggest how the results of the tests described can be used to distinguish between the two solids.

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Other parts of this question

  1. 2(a)(i)List the THREE states of matter in which water exists.[1 mark]
  2. 2(a)(ii)Describe the strength of the forces of attraction present between the particles in EACH of the three states you have mentioned in (a)(i) above.[3 marks]
  3. 2(a)(iii)When heated, iodine changes from one state into another. What is this process called?[1 mark]
  4. 2(a)(iv)Describe how the energy of the iodine particles changes as iodine undergoes the process mentioned in (a)(iii) above.[2 marks]
  5. 2(b)Using appropriate diagrams, illustrate how the bonding in solid sodium chloride differs from that of diamond.[4 marks]

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