Non metals/metals. Flashcards
Corrosion
Is an undersirable (unwanted)
Process whereby a metal changes to its oxide nor some other compound by combining with oxygen
Rusting
Is the corrosion of fe(iron)
When metals react with an acid ,hydrogen
Zinc reacts with hydrochloric acid to form
Zinc chloride ,hydrogen
Metals.
Are hard dense,shiny,have high melting points
Malleable
Means can be hammered into different shapes
Unreactivenmetals eg silver,gold
Can be found in nature
Rusting needs
Water ,oxygen
Galvanising
Is putting a layer of zinc on iron to prevent rusting
Bronze
Copper,tin
Brass
Copper,zinc
Steel
Iron,carbon
Solder
Lead ,tin
Cats makes zebras cry
Reactivity series in order calcium,magnesium,zinc,copper
Periodic table
Left side of stairs =metal,right side=non metals
Alloys
An alloy is a mixture of metals