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2 marksMole Concept

CSEC Chemistry · January 2014 · Paper 2 · Question 4(a)(ii)

Element M is in Group 2 of the Periodic Table and forms a chloride with relative formula mass 159. [RAM Cl = 35.5]

Write a balanced equation, including state symbols, to show the formation of the chloride of M.

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Other parts of this question

  1. 4(a)(i)Calculate the relative atomic mass of Element M.[2 marks]
  2. 4(a)(iii)a)Describe the formation of the type of bond found in Element M.[2 marks]
  3. 4(a)(iii)b)Describe the formation of the type of bond found in the chloride of Element M.[2 marks]
  4. 4(b)(i)With reference to the bonding in graphite and M, and their relative positions in the Periodic Table, explain why graphite is used as an electrode and M is not.[5 marks]
  5. 4(b)(ii)Draw a diagram to show the bonding in the element chlorine.[2 marks]

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