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Metals and non-metals
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Metals - Properties
Mostly solids but one liquid
High melting points
High boiling points
Conduct electricity
Conduct heat
Flexible
Malleable
Sonorous ringing sound when its hit
3 are magnetic – iron, cobalt, nickel
Non-Metals - Properties
Mostly liquids and gases
Low melting points
Low boiling points
Only one conducts electricity – graphite
None conduct heat
Not malleable
Make a dull sound when it’s hit
Not magnetic
What do we use metals for?
Tin - To coat cans - because it doesn’t rust easily
Aluminium - Sweet wrappers – It can be made into foil
Aluminium - Areoplanes – It’s light
Gold - Jewellery – It’s shiny, looks good and lasts a long time
Gold Headphones connections – It’s a good conductor of electricity
Iron - Drain covers – It’s cheap
Iron - Bridges – It’ strong
Mercury - Thermometers – it’s a metal that is liquid
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- year 7 Chemistry (Metals and Non-metals) Notiz am Metals and non-metals , erstellt von Alex Scaife am 02/04/2017.
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- Alex Scaife
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