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Edexcel IGCSE Chemistry · Spec 1.20

Classifying Elements Using Conductivity and Oxides

Covers use conductivity to classify elements, Link metal oxides to basic behaviour and Link non-metal oxides to acidic behaviour.

Chemistry revision video

Classifying Elements Using Conductivity and Oxides

Spec 1.20

What you need to know

  • Use conductivity to classify elements
  • Link metal oxides to basic behaviour
  • Link non-metal oxides to acidic behaviour

Active recall

Quick check

Answer each question before opening the answer.

Why do metals conduct as solids?

They contain mobile delocalised electrons

What do basic oxides form with acids?

A salt and water

Why is graphite an exception?

It is a non-metal that conducts electricity

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