Metals and the Reactivity Series Flashcards
order the reactivity series
potassium
sodium
lithium
calcium
magnesium
aluminium
zinc
iron
copper
silver
gold
extraction method for zinc, iron and copper
- thermal decomposition reaction
- redox reaction
how do we order the metal?
- serve how vigourously if at all they react with cold water hot water and steam
- observe how vigourously if at all they react with dilute hydrochloric acid.
- displacement reactions: more reactive metals displace the less reactive from their ionic compounds
extraction methods for potassium, sodium, lithium, calcium, magnesium and aluminium
Can be extracted by electrolysis (melting then passing electrical current through to split it from its compound)
Thermal decomposition reaction
A chemical reaction in the form of heat where it breaks a compound down into two or more simpler substance
What is a redox reaction?
when one element is oxidised and another is reduced, usually involves carbon (you displace metals that are less reactive than carbon from their oxides by heating it with carbon or carbon compounds)
what is an ore?
A rock from which are metal or valuable mineral can be extracted properly
What is the meaning of the term native and what kind of metals do we usually describe it as?
Usually found pure; gold silver and copper
Which metals can be extracted by electrolysis?
potassium sodium lithium calcium, magnesium, aluminium
which metals can be displaced with carbon in a redox reaction?
Zinc iron copper
which metals are carbon more reactive than?
Zinc iron copper silver gold
Which metals are hydrogen more reactive than?
Copper silver gold
oxidation
Forming new bonds to oxygen
Reduction
Breaking bonds to oxygen
Oxidising agent
A chemical that oxidises (gives oxygen to) something else
Reducing agent
A chemical that reduces (takes oxygen from) something else
