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Metals and non-metals

Alex Scaife Chemistry year 7 Englisch 1 Seite

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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.
Erstellt von
Alex Scaife · Apr 2017
Aktualisiert
3 Feb 2018
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