2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1F Chemistry Paper 1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED

2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1F Chemistry Paper 1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. • If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). • Do all rough work in this book. Cross through any work you do not want to be marked. • In all calculations, show clearly how you work out your answer. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Information • The maximum mark for this paper is 70. • The marks for questions are shown in brackets. • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answers. *JUN238464C1F01* IB/M/Jun23/E5 8464/C/1F 2 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Do not write outside the box *02* IB/M/Jun23/8464/C/1F 3 0 1 All substances are made from atoms. 0 1 . 1 Figure 1 represents a beryllium atom. Figure 1 What is the number of protons and the number of neutrons in the beryllium atom? [2 marks] Number of protons Number of neutrons 0 1 . 2 Figure 2 represents a beryllium ion. Figure 2 What is the relative charge on a beryllium ion? [1 mark] Tick ( ) one box. 0 +1 +2 Turn over ► *03* Do not write outside the box IB/M/Jun23/8464/C/1F 4 Figure 3 shows the arrangement of atoms in the three states of matter. Figure 3 0 1 . 3What state of matter is represented by state C in Figure 3? [1 mark] Tick ( ) one box. Gas Liquid Solid Do not write outside the box *04* IB/M/Jun23/8464/C/1F 5 0 1 . 4 What is the name of the process when state B changes into state A? Use Figure 3. [1 mark] Tick ( ) one box. Condensing Freezing Melting 0 1 . 5 How can state B be changed into state C? Use Figure 3. [1 mark] Question 1 continues on the next page Turn over ► *05* Do not write outside the box IB/M/Jun23/8464/C/1F 6 Experimental evidence led to the scientific model of the atom changing over time. 0 1 . 6 Figure 4 shows three models for the atom. Figure 4 What is the order for the development of the model of the atom? [1 mark] Tick ( ) one box.