Some Chemistry of the Periodic Table

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Presentation transcript:

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 Aluminium oxide Sulphur dioxide

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.

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.