Metals And Non-metals Flashcards
Sonorous
If you hit it, it will make a noise
Properties of metals
Electrical conductors Heat conductors Shiny Sonorous Ductile Malleable High melting point Hard and dense
Ductile
It can be drawn out into wire
Malleable
Can be hammered into different shapes
Alloy
Is a mixture of metals
Corrosion
Is an undesirable process whereby a metal changes to oxide or some other compound by combining with oxygen from the air
Rusting
Rusting is the corrosion of iron
Rust prevention
Galvanising
Painting
Greasing
Galvanising
Coating with zinc
Activity series
All metals have similar properties but do not react at the same rate
A good way to compare metals is to see how they react with water and acid
Reactivity
Calcium. (Cats Make Zebras Cry)
Magnesium
Zinc
Copper
When metals react with an acid
Hydrogen gas is given off
Zinc reacts with hydrochloride acid to form
Zinc chloride and hydrogen
