Question 1
A student is given samples of two pure substances: iodine (I₂) and silicon dioxide (SiO₂). Classify each substance as a covalent molecule or a giant covalent network. Explain your reasoning.
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Chemistry · Unit 1 · Properties and structure of materials · Compounds and mixtures
Discriminate between covalent molecules, giant covalent networks and allotropes of carbon.
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Question 2
Which of the following substances is correctly classified as a covalent molecule rather than a giant covalent network?
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Question 3
Which statement correctly distinguishes between a covalent molecule and a giant covalent network?
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