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Some Chemistry of the Periodic Table

Some Chemistry of the Periodic Table. AH Chemistry, Unit 1(c). Trends across periods 2 and 3. Melting and boiling points Electrical conductivity Behaviour with water. For discussion / investigation…. Lithium chloride Sodium chloride Magnesium chloride Aluminium chloride Magnesium oxide

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Some Chemistry of the Periodic Table

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  1. Some Chemistry of the Periodic Table AH Chemistry, Unit 1(c)

  2. Trends across periods 2 and 3 • Melting and boiling points • Electrical conductivity • Behaviour with water

  3. For discussion / investigation… • Lithium chloride • Sodium chloride • Magnesium chloride • Aluminium chloride • Magnesium oxide • Aluminium oxide • Sulphur dioxide

  4. Ionic hydrides • Write the chemical symbol for the hydride ion. • Write the chemical formula for: • Sodium hydride • Aluminium hydride • Write chemical equations for the reaction of the above with water.

  5. In what state are hydrides at room temperature? • Does the hydride ion act as an oxidising or reducing agent in chemical reactions? • Draw a diagram to illustrate the electrolysis of molten aluminium hydride. • Write ion-electrons to illustrate what is happening. • Write a redox equation for the reaction.

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