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Metals

TermDefinition
Rusting Iron corrode, oxidation of iron iron + oxygen -> iron oxide
Conditions for rusting Water and oxygen and iron needed Salt quickens process
Preventing rust painting, oiling, plastic coating, galvanising, electroplating
Galvanising coating iron/steel with zinc - sacrificial protection
Electroplating coating iron with a less reactive metal
Alloy Mixture of metal with other elements (usually metals)
Alloys are stronger than pure metals regular arrangement of atoms disrupted, prevents atoms from forming layers and slipping over each other
Steel Alloy - iron with small amount of carbon
Stainless steel Contains Nickel and Chromium as well Strength of steel, corrosion resistance of nickel and shininess of chromium
metal + acid metal + acid -> salt + hydrogen
metal + oxygen metal + oxygen -> metal oxide
metal + water metal + water -> metal hydroxide + hydrogen
Created by: SG009
 

 



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