Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Metals and non-metals in the periodic table
18 practice questions
Practice questions
1–8 of 8 · Normal
Question 1
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 2
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 3
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 4
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 5
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 6
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.
Question 7
4 marks · Normal
Answer and see the solution →This question is about the inertness of noble gases and group similarities.
(a)[2 marks]State the number of electrons in the outer shell for neon and argon.
(b)[2 marks]Explain why these elements have very similar chemical properties.
Question 8
3 marks · Normal
Answer and see the solution →The table below shows four elements, their position in the periodic table, and the formula of the oxide formed when each reacts with oxygen:
Periodic table position and oxide formulae Element Group Period Formula of oxide A 2 3 MgO B 7 2 Cl2O7 C 1 2 Na2O D 6 3 SO3 (a)[2 marks]Classify each element in the table as a metal or a non-metal based on its position in the periodic table.
(b)[1 mark]Use the character of their oxides to explain your classifications for element C and element D.