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→Key Stage 4
: Adding different [[element]]s to a [[metal]] to make an [[alloy]] can change the [[Physical Property|physical]] and [[Chemical Property|chemical]] [[property|properties]].
: [[Alloy]]s are made to change the [[property|properties]] of a [[metal]] to make it more useful for certain [[application]]s.
===Examples===
{| class="wikitable"
|-
| style="height:20px; width:200px; text-align:center;" |'''Metals'''
| style="height:20px; width:200px; text-align:center;" |'''Properties'''
| style="height:20px; width:200px; text-align:center;" |'''Applications'''
|-
| style="height:20px; width:200px; text-align:center;" |88% Copper + Tin
(Bronze)
| style="height:20px; width:200px; text-align:center;" |Resistant to [[corrosion]]
[[Hardness|Harder]] than [[Copper]].
| style="height:20px; width:200px; text-align:center;" |Statues and ornaments.
|-
| style="height:20px; width:200px; text-align:center;" |Copper + Zinc
(Brass)
| style="height:20px; width:200px; text-align:center;" |Resistant to [[corrosion]]
[[Hardness|Harder]] than [[Copper]].
[[Malleable]] enough to hammer into shape.
| style="height:20px; width:200px; text-align:center;" |Pins in [[Electrical Plug|electrical plugs]], keys, taps, door handles.
|-
| style="height:20px; width:200px; text-align:center;" |Gold + Copper
| style="height:20px; width:200px; text-align:center;" |[[Hardness|Harder]] than [[pure]] [[Gold]]
| style="height:20px; width:200px; text-align:center;" |Jewelry
|-
| style="height:20px; width:200px; text-align:center;" |98% Iron + Carbon
(Steel)
| style="height:20px; width:200px; text-align:center;" |Much [[Hardness|harder]] than [[pure]] [[Iron]].
[[Malleable]] enough to be hammered into shape.
| style="height:20px; width:200px; text-align:center;" |Car bodies, bridges, cables, girders.
|-
| style="height:20px; width:200px; text-align:center;" |85% Iron + 11% Chromium + Nickel + Carbon
(Stainless Steel)
| style="height:20px; width:200px; text-align:center;" |Much [[Hardness|harder]] than [[pure]] [[Iron]].
Resistant to [[corrosion]].
| style="height:20px; width:200px; text-align:center;" |Cutlery, [[Reaction Vessel|reaction vessels]]
|}