Properties of Metals
- Created by: freddieam
- Created on: 06-04-16 19:29
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- Properties of metals
- Metals form giant structures in which electrons in the outer shells of the metal atoms are free to move
- Metals are good conductors of electricity and heat because the free electrons carry charge or heat through the metal
- The free electrons allow metal atoms to slide over each other, so metals are malleable and ductile
- Metallic bonds are strong, so metals can maintain a regular structure and usually have high melting and boiling points
- Some examples os uses for metals:
- Aluminium is used to make aircrafts because it has low density
- Gold is used to make jewellery because it's attractive and unreactive.
- Copper is a good electrical inductor and is ductile, It's also used to make water pipes because it's malleable and does not react with water
- Steel is used in construction because it's strong and relatively cheap
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