AQA GCSE Combined Science Chemistry Paper 1 Foundation Question Paper.

GCSE COMBINED SCIENCE: TRILOGY Time allowed: 1 hour 15 minutes Foundation Tier Chemistry Paper 1 Question Mark 1 2 3 4 5 6 7 Total 1 of 18 Sodium is found in Group 1 of the periodic table. What name is given to the elements in Group 1? Tick one box. [1 mark] acidic metals alkali metals non-metals transition metals Sodium reacts with chlorine. Chlorine is a halogen. Which group in the periodic table contains the halogens? Tick one box. [1 mark] Group 0 Group 2 Group 6 Group 7 Figure 1 shows part of a dot and cross diagram to represent the formation of sodium chloride. Complete the dot and cross diagram. You should only show the electrons in the outer shells. [2 mark] Na + Cl Na + Cl - Figure 1 0 1 . 1 0 1 . 2 0 1 0 1 . 3 2 of 18 8 Complete the sentence. Choose the answer from the box. [1 mark] covalent ionic metallic The type of bonding in sodium chloride is bonding. Which structure represents the arrangement of particles in sodium chloride? Tick one box. [1 mark] Complete the sentences. Choose answers from the box. [2 marks] atoms electrostatic ions magnetic metallic molecules The compound is held together by forces. These forces act between oppositely charged . 0 1 . 5 0 1 . 4 0 1 . 6 3 of 18 A neutralisation reaction can be represented by the equation: (aq) + OH- (aq) H2O (l) Which ion is missing from the equation? Tick one box. [1 mark] H+ Na+ O- SO4 - What does the state symbol (aq) mean? Tick one box. [1 mark] dissolved in water liquid insoluble ionic The reaction between sulfuric acid and sodium hydroxide is an example of a neutralisation reaction. Balance the chemical equation for the reaction.