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Metals & Plastics

I'm sorry I can't remember what to put here. By Dr. Dracula

TermDefinition
Copper Metal of reddish-orange color. Used in wires because of good conducting properties. Symbol Cu
Zinc Metal of silver color. Used for galvanizing. Symbol Zn.
Aluminium Metal of silver color. Used for making aluminium foil. Symbol Al.
Iron Metal of grey color. Used in production of cars. Symbol Fe.
Silver Metal of silver color. Used in jewelry. Symbol Ag.
Gold Metal of golden color. Used in jewelry and electronics. Symbol Au.
Carbon Non-Metal of grey color (graphite) or transparent (diamond). Used in production of pencils, jewelry etc. Symbol C.
Oxygen Non-Metal, Gas. Used in blast furnaces in order to get to very high temps. Symbol O.
Sulfur Non-Metal. Used in batteries. Symbol S.
Hydrogen Non-Metal, Gas. Used in power stations as a coolant for generators. Symbol H.
Nitrogen Non-Metal, Gas. Used in manufacturing stainless steel. Symbol N
Metals Shiny, have high melting points, strong, ductile and conductors.
Non-Metals Dull, inelastic, low melting point, bad conductors, brittle.
Alloy A mixture of metals. Example: Brass, Bronze, Steel, Solder etc.
Brass Alloy made out of copper and zinc.
Bronze Alloy made out of copper and tin.
Steel Alloy made out of iron and carbon.
Solder Alloy made out of lead and tin.
Alkali Metals Metals that react vigorously in contact with water. Also they are silvery and soft.
Rusting Corrosion of iron and steel is also called rusting. Conditions necessary for rusting: water and oxygen.
Plastics Part 1. Man-made, moldable , easy to maintain, cheap, light and good insulators.
Plastics Part 2. Plastics are non-biodegradable. That means that they cannot be broken down by micro-organisms.
Plastics Part 3. When burnt they release poisonous fumes.
Types of plastics Part 1. Polythene (plastic bag), Polystyrene ( that thing eggs are put in).
Types of plastics Part 2. Polypropylene (plastic chairs), Nylon (Tennis Rackets), P.V.C (plastic hose).
Created by: Dracula
 

 



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