Calcium is a metal in Group 2. The atomic number of calcium is 20.
Chlorine is a non-metal in Group 7. The atomic number of chlorine is 17.
Calcium reacts with chlorine to make calcium chloride.
Write the electronic structure of a calcium atom.
Deduce the formula of calcium chloride.
Explain your answer in terms of electrons.
Compare the bonding in calcium, chlorine and calcium chloride.
Use ideas about electrons and electrostatic forces.
64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.