Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
The Periodic Table
103 practice questions
Topics covered
- The arrangement of the electrons in an atom19 practice questions
- Drawing diagrams of electronic configurations19 practice questions
- Electronic configurations and the periodic table19 practice questions
- Metals and non-metals in the periodic table18 practice questions
- Differences between the properties of metals and non-metals19 practice questions
Practice questions
21–30 of 43 · Normal
Question 21
4 marks · Normal
Answer and see the solution →The table shows the electronic configurations and Periodic Table positions for four elements.
Electronic configurations and positions for four elements Element Electronic configuration Group Period A 2,8,4 B 2,8,8,1 C 2,7 D 2,8,5 (a)[2 marks]Complete the table by entering the group and period for each element.
(b)[2 marks]Which element is in the same group as carbon? Give a reason for your answer.
Question 22
1 mark · Normal
Answer and check →Which of the following elements is in period 2 and group 7 of the Periodic Table?
- A.Fluorine (2,7)
- B.Chlorine (2,8,7)
- C.Nitrogen (2,5)
- D.Neon (2,8)
Question 23
2 marks · Normal
Answer and see the solution →State the group and period of silicon (atomic number 14) and explain your reasoning.
Question 24
4 marks · Normal
Answer and see the solution →(a)[1 mark]Draw or describe the electronic configuration for sodium (Na, atomic number 11).
(b)[1 mark]Identify its group and period in the Periodic Table.
(c)[2 marks]Explain how sodium’s position in the Periodic Table is related to its electronic configuration.
Question 25
2 marks · Normal
Answer and see the solution →State whether each of the following elements is a metal or a non-metal. Explain how you decided in each case.
(a)[1 mark]Sodium (Na)
(b)[1 mark]Sulfur (S)
Question 26
4 marks · Normal
Answer and see the solution →This question is about group trends in the periodic table.
(a)[1 mark]Describe how the electronic configurations of chlorine and bromine are similar.
(b)[1 mark]Group 7 elements react with hydrogen to form compounds such as hydrogen chloride and hydrogen bromide. State one similarity in the formulae of these compounds.
(c)[2 marks]Explain why elements in the same group have similar chemical properties.
Question 27
3 marks · Normal
Answer and see the solution →Explain why the elements in Group 0 (the noble gases) are very unreactive. Your answer should refer to electronic structure.
Question 28
4 marks · Normal
Answer and see the solution →The table shows whether certain oxides are basic, acidic, or amphoteric.
Character of some element oxides Element Oxide formula Type of oxide Sodium \ce{Na2O} Silicon \ce{SiO2} Aluminium \ce{Al2O3} Sulfur \ce{SO2} a) Complete the table by identifying the type of oxide for each element. [2]
b) Explain how the type of oxide can help you classify each element as a metal or non-metal. [2]
Question 29
1 mark · Normal
Answer and check →Which statement correctly explains the similarity in chemical properties between lithium and potassium?
- A.They are both in Group 1 and have the same number of outer-shell electrons.
- B.They are both metals and have atoms with the same atomic mass.
- C.They each form oxides that are acidic.
- D.They are both in the same period of the periodic table.
Question 30
2 marks · Normal
Answer and see the solution →State two differences between metals and non-metals as found in the periodic table or their oxides.