Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Calcium chloride
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Describe how electrons are transferred when a lithium atom and a fluorine atom react to form lithium fluoride. Your answer should explain how this transfer leads to the formation of ions.
Question 2
5 marks · Hard
Answer and see the solution →Calcium chloride is formed when calcium reacts with chlorine.
(a)[1 mark]State the electronic configuration of a calcium atom and a chlorine atom.
(b)[2 marks]Explain how calcium and chlorine atoms achieve full outer shells when forming calcium chloride.
(c)[2 marks]Draw a dot-and-cross diagram to show the ions formed in calcium chloride. Show only the outer shells.
Question 3
2 marks · Hard
Answer and see the solution →State the charge on each ion and the number of electrons in the outer shell of each ion in lithium fluoride.