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Back to AQA CS Trilogy C1 Specimen (set 1) Home

Paper 1 H - SAMPLE SET 1 Q1

1) ​This question is about calcium.

1.1) What type of compound is calcium oxide? [1 mark]
Tick one box.
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1.2) Ionic compounds, such as calcium oxide, have high melting points. Complete the sentences.
​Use words from the box. [1 mark]
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Calcium oxide has a giant ionic lattice in which there are strong electrostatic _______________________ of attraction in all directions.
1.3) ​Figure 1 shows the electronic structure of an oxygen atom and a calcium atom.
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Describe how the calcium atom and the oxygen atom forms calcium oxide.
​You should give the charge on each ion formed. [4 marks]

​​​​(Total for Question 1 = 6 marks)
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