Sodium iodide and magnesium oxide are ionic compounds. Iodine and oxygen are covalent molecules. a. Draw dot-and-cross

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Sodium iodide and magnesium oxide are ionic compounds. Iodine and oxygen are covalent molecules.

a. Draw dot-and-cross diagrams for:
i. Magnesium oxide
ii. Oxygen.

b. How do sodium iodide and iodine differ in their solubility in water? Explain your answer.

c. Explain why molten sodium iodide conducts electricity but molten iodine does not.

d. The boiling point of sodium iodide is 1304 °C. The boiling point of iodine is 184 °C. Explain this difference.

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Cambridge International AS And A Level Chemistry Coursebook

ISBN: 9781316637739

2nd Edition

Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 16, 2021 01:25 AM

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Sodium iodide and magnesium oxide are ionic compounds. Iodine and oxygen are covalent molecules. a. Draw dot-and-cross

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a i dot cross diagram for magnesium oxide MgO a ii dot cross diagram for oxygen O 2 b it can be expl...View the full answer

Cambridge International AS And A Level Chemistry Coursebook

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