The Periodic Table and periodicity: Edexcel International A Level Chemistry questions
Every Edexcel International A Level Chemistry exam question on The Periodic Table and periodicity (specification points 2.16–2.18), 2019–2025, with its mark scheme and examiner’s report.
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Calculations
Q10(a)
The whole paper ↗Your answerQ20(c)(i)
The whole paper ↗- Your answer
- Your answer
Q22(a)(i)
The whole paper ↗Q22(a)(ii)
The whole paper ↗Q22(a)(iii)
The whole paper ↗Q19(a)(i)
The whole paper ↗- Your answer
- Your answer
All 10 questions on The Periodic Table and periodicity, as a list
- October 2024, AS Unit 1, Q10(a) (1 mark): Which statement is not correct for these Period 3 elements? (1) A atoms of Cl(g) have the highest first ionisation energy B ions of Cl–(g) and S2–(g) have the s
- October 2024, AS Unit 1, Q20(c)(i) (2 marks): The diagram shows the melting temperatures of the elements in Period 2 from lithium to nitrogen. Complete the diagram by putting crosses to show the approximate
- January 2024, AS Unit 1, Q4 (1 mark): Each response gives the atomic numbers of two elements. Which pair of atomic numbers are those of elements that are in different blocks of the Periodic Table? A
- October 2021, AS Unit 1, Q8 (1 mark): In which series are the elements in order of increasing melting temperature? A I2 < Br2 < Cl2 < F2 B Li < Be < B < C C Li < Na < K < Rb D Si < P < S < Cl
- June 2021, AS Unit 1, Q22(a)(i) (2 marks): Plot a graph of atomic radius against atomic number. (2)
- June 2021, AS Unit 1, Q22(a)(ii) (1 mark): Use the graph to estimate the atomic radius of silicon, Si. (1)
- June 2021, AS Unit 1, Q22(a)(iii) (3 marks): Suggest an explanation for the decrease in atomic radius as atomic number increases across a period. (3)
- January 2020, AS Unit 1, Q19(a)(i) (2 marks): The student incorrectly plotted two values: one for a metal and one for a non-metal. Identify these elements, by name or formula. (2)
- June 2019, AS Unit 1, Q14 (1 mark): The bar chart shows the melting temperatures of the first twenty elements. 4000 3500 3000 2500 Melting 2000 temperature / K 1500 1000 500 0 1 2 3 4 5 6 7 8 9 10
- January 2019, AS Unit 1, Q7 (1 mark): Which is the dot-and-cross diagram for magnesium chloride? Only outer shell electrons are shown. A Cl Mg B Cl Cl Mg + − C Cl Mg − 2+ − D Cl Mg Cl
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