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chemistry
c4
electrolysis
cation goes to cathode
anion goes to anode
opposites attract
electrolysis is the method of separating 2 substances using electricity
reactivity
displacment
a more reactive metal will displace a less reactive metal in a compound
example: sodium and zinc sulfate --> sodium sulfate and zinc
reduction via carbon
carbon is higher on the reactivity series
therefore it can be used to extract more useful metals
it is also very cheap
oilrig
oil = oxidation is loss of electrons
rig = redution is gain of electron
c3
concentration equation
percentage yeild
atom economy
c2
bonding
metallic
metals only
positive metal ions
delocalised electrons
strong electrostatic attraction
ionic
metals and non-metals
opposite charged electrostatic forces
opposites attract
giant lattice
completing outer shell
properties
high boiling point
conduct electricity when molten/aqueous
covalent
c1
positve
anoode
cation because it is pawsitive
negative
cathode
anion
