Specification Point 1.20:
Understand how to use electrical conductivity and the acid-base character of oxides to classify elements as Metals or Non-metals

Metals vs Non-Metals

Metals Non-metals
Basic oxides (alkaline) Acidic oxides (acidic)
Good conductors of electricity Poor conductors of electricity
High melting and boiling point Low melting and boiling point
Malleable Flaky
Specification Point 1.21:
Identify an element as a metal or a non-metal according to its position in the periodic table

Identifying Metals from Periodic Table Position

The Period Table, metals vs non-metals, Edexcel IGCSE Chemistry

A zig-zag line in this diagram separates the metals on the left, from the non-metals on the right

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Author: Jamie

Jamie got a First class degree in Chemistry from Oxford University before going on to teach chemistry full time as a professional tutor. He’s put together these handy revision notes to match the Edexcel IGCSE Chemistry specification so you can learn exactly what you need to know for your exams.