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Metals and Non-metals

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A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.

Metals, Metalloids and Non Metals
Most Metals have these typical physical properties:
- Malleable and ductile
- Good conductors of heat and electricity
- Lustrous (shiny)
- Solids at room temperature (except for mercury which is a liquid)
- High density (are heavy for their size)
- High melting and boiling points
- Hard to break

Non-metals
- Brittle
- Poor conductors of heat and electricity
- Dull
- About half are solids, about half are gases, and one (bromine) is a liquid
- Low density

Metalloids
- Characteristics of both metals and non-metals



Investigating Metals, Nonmetals and Metalloids
Substances tested: Zn, S, Si, Mg, Ni, Fe, C(Graphite)
Tests: Acid Test, Thermal Conductivity, Lustre Test, Conduct Electricity, Malleability Test

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