Quelpr

Periodic Table and Periodicity · CSEC Chemistry

64 past-paper questions on Periodic Table and Periodicity, part of Principles of Chemistry, from every CSEC Chemistry paper on Quelpr.

Practise Periodic Table and Periodicity
  1. 2(a)2 marks· Chemistry Q2 2(a)Identify the group in the periodic table in which fluorine (F), chlorine (Cl), bromine (Br), iodine (I) and astatine (At) are placed. Give ONE reason for your answer.
  2. 2(a)2 marks· Chemistry Q2 2(a)Explain why these elements are all placed in Period 3 of the Periodic Table.
  3. 2(a)(i)2 marks· Chemistry Q2 2(a)(i)Sodium, magnesium, aluminium, silicon and chlorine are found in the same group in the periodic table. (Give your answer in terms of electron configuration.)
  4. 2(a)(i)3 marks· Chemistry Q2 2(a)(i)Comparison of Mg and X according to ease of ionization
  5. 2(a)(i)1 mark· Chemistry Q2 2(a)(i)Based on the position of Element X in the Periodic Table, state whether it would react more vigorously or less vigorously with water than K would react.
  6. 2(a)(ii)2 marks· Chemistry Q2 2(a)(ii)Place Elements X and Y in their correct positions on the periodic table in Figure 2.
  7. 2(a)(ii)3 marks· Chemistry Q2 2(a)(ii)Comparison of Cl and Y according to strength of oxidizing power
  8. 2(a)(iii)3 marks· Chemistry Q2 2(a)(iii)Explain why you placed the Elements X and Y in the particular group and period in Figure 2 above.
  9. 2(a)(iv)2 marks· Chemistry Q2 2(a)(iv)Classify X and Y as metals or nonmetals. Give ONE reason for your answer.
  10. 2(b)2 marks· Chemistry Q2 2(b)To which group of the periodic table does element A belong? Give a reason for your answer. Element A belongs to Group _____. Reason: _____.
  11. 2(b)3 marks· Chemistry Q2 2(b)What would the students observe when they conduct the experiment represented in Figure 3? Illustrate your answer by means of an equation.
  12. 2(b)3 marks· Chemistry Q2 2(b)Based on the position of X and Y in the periodic table, how will X and Y react with cold water? Give ONE reason for your answer. You should comment on the products formed and the relative rates of the reaction.
  13. 2(b)(i)1 mark· Chemistry Q2 2(b)(i)Similar physical property
  14. 2(b)(ii)1 mark· Chemistry Q2 2(b)(ii)Based on the position of Element Q, write the formula for its carbonate. Formula:
  15. 2(b)(ii)1 mark· Chemistry Q2 2(b)(ii)Different physical property
  16. 4(a)4 marks· Chemistry Q4 4(a)State the basis upon which elements are arranged into groups and periods in the periodic table. Select an element from Table 3 and use its electronic configuration to illustrate your answer.
  17. 4(a)(i)2 marks· Chemistry Q4 4(a)(i)Write the electronic configuration of sodium and state a reason for its placement in Period 3.
  18. 4(a)(i)1 mark· Chemistry Q4 4(a)(i)Which element reacts most readily with dilute hydrochloric acid?
  19. 4(a)(ii)a)2 marks· Chemistry Q4 4(a)(ii)a)Write a balanced equation for the reaction of sodium with water.
  20. 4(a)(ii)c)1 mark· Chemistry Q4 4(a)(ii)c)Predict the reactivity of X with water as compared with sodium and potassium.
  21. 4(b)1 mark· Chemistry Q4 4(b)State ONE reason why the reaction of barium with water is faster than the reaction of calcium with water.
  22. 4(b)(i)2 marks· Chemistry Q4 4(b)(i)Outline the reason for the change in atomic radius from magnesium to barium.
  23. 4(b)(i)4 marks· Chemistry Q4 4(b)(i)Outline the criteria for placing elements in the Periodic Table. Hence, state the appropriate group and period for EACH of the elements P, Q, R and S.
  24. 4(b)(i)2 marks· Chemistry Q4 4(b)(i)Discuss the relative reactivity of Mg, Ca and X with water.
  25. 4(b)(ii)2 marks· Chemistry Q4 4(b)(ii)Barium reacts more readily with water than magnesium does. With reference to the data in Table 2, explain this observation.
  26. 4(b)(ii)1 mark· Chemistry Q4 4(b)(ii)State the period to which the element sodium belongs in the periodic table.
  27. 4(b)(ii)2 marks· Chemistry Q4 4(b)(ii)Write a balanced chemical equation for the reaction between water and the unknown element (X).
  28. 4(b)(ii)2 marks· Chemistry Q4 4(b)(ii)Account for the difference in reactivity of chlorine and iodine towards iron(II).
  29. 4(b)(iii)3 marks· Chemistry Q4 4(b)(iii)Compare the reactivity of EACH of elements Q and S with dilute hydrochloric acid. Write a balanced equation for EITHER of these reactions with dilute hydrochloric acid.
  30. 4(c)(i)2 marks· Chemistry Q4 4(c)(i)State whether a reaction would take place in EACH case.
  31. 4(c)(i)1 mark· Chemistry Q4 4(c)(i)Suggest a formula for this compound.
  32. 4(c)(i)1 mark· Chemistry Q4 4(c)(i)An element X (not the actual symbol) has an atomic number of 19. Place element X in the correct position in Table 3.
  33. 4(c)(ii)2 marks· Chemistry Q4 4(c)(ii)Write a balanced equation, where appropriate, for the reaction occurring in (c) (i) above.
  34. 4(c)(ii)2 marks· Chemistry Q4 4(c)(ii)Give a reason for your answer in (c)(i).
  35. Q91 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1An element, X, has an electron configuration 2, 8, 1. At which of the following positions is the element in the Periodic Table?
  36. Q231 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1The atoms of element Y contain 19 electrons. The chemistry of element Y will be similar to
  37. Q241 mark · multiple choice· CSEC Chemistry · January 2017 · Paper 1Which of the following halogens is a liquid at room temperature?
  38. Q81 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1Which of the following halogens is a liquid at room temperature?
  39. Q101 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1A new element \text{R} shows chemical properties similar to the element sodium. What is the correct formula of a compound formed with \text{R} and sulfur?
  40. Q131 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1Sulfur and oxygen are in the same group of the periodic table because
  41. Q421 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1Which of the following elements is the MOST electropositive?
  42. Q91 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1An element, X, has an electronic configuration 2, 8, 1. At which of the following positions is the element in the periodic table?
  43. Q131 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Sulfur and oxygen are in the same group of the periodic table because
  44. Q241 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following halogens is a liquid at room temperature?
  45. Q11 mark · multiple choice· CSEC Chemistry · May/June 2010 · Paper 1Sulphur and oxygen are in the same group of the periodic table because
  46. Q181 mark · multiple choice· CSEC Chemistry · May/June 2010 · Paper 1In the portion of the periodic table indicated below, which of the elements, A, B, C and D, is MOST easily ionized?
  47. Q181 mark · multiple choice· CSEC Chemistry · May/June 2011 · Paper 1One way in which hydrogen resembles the Group 7 elements is that hydrogen
  48. Q61 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1The atomic number of Element Z is 13. In which group of the periodic table should Element Z be placed?
  49. Q71 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1The arrangement of elements in the periodic table is based on
  50. Q111 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1A new element R shows chemical properties similar to the element sodium. What is the correct formula of a compound formed with R and sulfur?
  51. Q181 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1One of the ways in which hydrogen resembles the Group 7 elements is that hydrogen
  52. Q451 mark · multiple choice· CSEC Chemistry · May/June 2013 · Paper 1Which of the following elements is the MOST electropositive?
  53. Q31 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Which of the following elements has 7 electrons in its outer shell?
  54. Q61 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Sulfur and oxygen are in the same group of the periodic table because
  55. Q101 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1A new element, R, shows chemical properties similar to the element sodium. What is the correct formula of a compound formed with R and sulfur?
  56. Q111 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Barium is below calcium in Group II of the Periodic Table. When BOTH metals react with water, the MAIN differences in observation would be the rate of reaction and the
  57. Q181 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Which of the following halogens is a liquid at room temperature?
  58. Q151 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Barium is below calcium in Group II of the Periodic Table. When these metals react with water, the main difference in observation is the
  59. Q181 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Which set of elements has atoms with two electrons in their outer shells?
  60. Q201 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1Which of the following trends would be observed in moving from left to right across Period 3 of the Periodic Table? I. The melting points of the elements increase. II. The nature of the oxides becomes increasingly…
  61. Q361 mark · multiple choice· CSEC Chemistry · May/June 2016 · Paper 1The ability of an atom to form a cation increases
  62. Q31 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1Which of the following elements has 7 electrons in its outer shell?
  63. Q241 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1Which of the following halogens is a liquid at room temperature?
  64. Q521 mark · multiple choice· CSEC Chemistry · May/June 2017 · Paper 1An element that is a nonmetal

Related topics in Principles of Chemistry