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Rocks and Metals
GCSE Chemistry C1a
39
Chemistry
10th Grade
07/15/2006

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Cards

Term
Name a metal that is found in its native state.
Definition
Gold / Silver
Term
Reactivity series
Definition
A list of metals in order of their reactivity
Term
metal oxides
Definition
Metals combined with oxygen
Term
PbO
Definition
Lead oxide
Term
MgO
Definition
Magnesium oxide
Term
CuO
Definition
Copper oxide
Term
What element do we use to reduce a metal oxide ?
Definition
Carbon
Term
Al
Definition
Aluminium
Term
Symbol for iron
Definition
Fe
Term
Symbol for Calcium
Definition
Ca
Term
Na
Definition
Sodium
Term
K
Definition
Potassium
Term
ZnO
Definition
Zinc oxide
Term
Fe2O3
Definition
Iron oxide
Term
CO
Definition
Carbon monoxide
Term
Haematite
Definition
Iron ore / Iron oxide and sand
Term
Coke
Definition
Made from coal and is almost pur carbon
Term
A metal that contains other metals
Definition
alloy
Term
Steel
Definition
Alloys which contain iron and carbon / alloy of iron and other elements
Term
Low alloy steels
Definition
Contain between 1% and 5% of other metals
Term
Name a metal that might be found in a low alloy steel
Definition
Chromium titanium, tungsten, manganese, vanadium,
Term
High-alloy steels
Definition
A steel that contains between 12% and 15% of other metals
Term
Name a metal that might be found in a high alloy steel.
Definition
Nickel, chromium
Term
Will high alloy steels rust ?
Definition
No
Term
Bronze
Definition
Copper and tin, may have a small amount of phosphorous for bearings with low friction
Term
Brass
Definition
Copper and zinc alloy
Term
Smart alloys
Definition
Alloys which can change their shape whathen when heated but will return to their original shape
Term
shape memory alloys
Definition
Alloys which can be deformed and then will return to their original shape on heating.
Term
Give a use for a smart alloy
Definition
Holding broken bones in place / dental braces
Term
Transition metals
Definition
Found in the centre of the periodic table. eg Copper
Term
Malleable
Definition
Can bebent into shape
Term
Give 3 properties of transition metals
Definition
They are strong.
Heat can pass through them.
Electricity can pass through them.
Term
Smelting
Definition
When we heat a metal up to a very high temperature.
Term
What new way is being used to extract copper from ores
Definition
Using Bacteria or fungi on low grade ores
Term
Give two properties of Aluminium and titanium
Definition
Light and Strong
Term
Name the layer that will form on the outer surface of aluminium
Definition
Aluminium oxide
Term
Name a use for titanium
Definition
repalacement hip joint, inside a nuclear reactor
Term
How is aluminium extracted from its ore ?
Definition
By electrolysis
Term
Phytomining
Definition
The extraction of metals using plants.
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