Magnesium reacts with chlorine to form the ionic compound magnesium chloride . ( e ) Draw a ‘ dot and cross ‘ diagram to show the bonding in magnesium chlo ride . You only need to draw the outer ( valence ) electrons of magnesium and of chlorine . ( b ) The physical properties of a compound are related to its structure and bonding Magnesium chloride has an ionic lattice structure . Suggest two physical properties of magnesium chloride .

Solution ( a )

) 1 . High melting and boiling points 2 . Soluble in water / able to conduct electricity when molten or in aqueous solution

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