Metals and their uses

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ALUMINIUM AND TITANIUM

LIGHT

NO CORRODE

SUITABLE FOR BODIES OF PLANES

COPPER

GOOD CONDUCTOR OF ELECTRICITY

NO REACT TO WATER

ELECTRICAL WIRES

WATER PIPES

GOLD

GOOD CONDUCTOR OF ELECTRICITY

LOW REACTIVITY-GOOD FOR JEWELLERY

UNREACTIVE

STEEL

CHEAP

STRONG

SUITABLE FOR BUILDING MATERIAL

ELECTROLYSIS

Potassium

Sodium

Calcium

Magnesium

Aluminium

CARBON

ZINC

IRON

TIN

LEAD

P

S

C

M

A

Z

I

T

L

VARIOUS OTHER WAYS

COPPER

SILVER

GOLD

PLATINUM

Metals and their uses

TRANSITION METALS

Properties of TRANSITION METALS:

Good conductors of electricity

Often FORM bright colours as compounds

Can be shaped easily

Light

High melting point

Often used in ALLOY form

EX. Q.) Give two reasons to use gold + copper alloy to make jewellery

i. The alloy becomes stronger

ii. The use of COPPER makes the alloy much more cost effective (Cheaper)

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