Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter

The Periodic Table

103 practice questions

Start practising (43 questions)

Topics covered

Practice questions

41–43 of 43 · Normal

Question 41
6 marks · Normal
This question is about electronic configurations, the periodic table, and how elements are classified as metals or non-metals.
(a)
Element J has the electronic configuration 2,8,7.
State:
(i)
The group number and period number of element J.
[2 marks]
(ii)
Whether element J is a metal or a non-metal.
[1 mark]
(b)
Element K is in Group 1 and Period 3 of the periodic table.
State:
(i)
The electronic configuration of element K.
[2 marks]
(ii)
Whether the oxide of element K is likely to be acidic or basic.
[1 mark]
Answer and see the solution →
Question 42
6 marks · Normal
This question is about the relationship between electronic configuration, position in the Periodic Table, and chemical behaviour.
(a)
State why all the elements in Group 2 have similar chemical reactions.
[2 marks]
(b)
Helium and argon are both found in Group 0 (noble gases) of the Periodic Table.
(i)
State the electronic configuration of argon.
[1 mark]
(ii)
Explain why the elements in Group 0 are so unreactive.
[2 marks]
(c)
Iron (Fe) and sulfur (S) are both in Period 4. Based on their position in the Periodic Table, state which is the metal and which is the non-metal.
[1 mark]
Answer and see the solution →
Question 43
6 marks · Normal
This question is about explaining group trends and the inertness of Group 0 elements using the idea of electronic configuration.
(a)
State how the electronic configuration of chlorine is related to its position in the Periodic Table.
[2 marks]
(b)
Explain why all the elements in Group 1 react similarly when placed in water.
[2 marks]
(c)
Group 0 (the noble gases) are found at the far right of the Periodic Table.
Explain why the noble gases are so unreactive.
[2 marks]
Answer and see the solution →