Sodium chloride, NaC, is an ionic compound.
Sodium chloride forms a giant ionic lattice that can be represented using different models.
Look at the diagrams. They show two models of sodium chloride.
Describe two limitations of using the ball-and-stick model for ionic compounds.
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Draw a dot and cross diagram to show the ions in sodium chloride.
[2]
A student investigates the electrolysis of potassium bromide solution.
He notices that different products are formed at each electrode.
Explain the formation of the products during the electrolysis of potassium bromide solution.
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