Electrolysis Flashcards
1
Q
electrolysis
A
using electrical current to break chemical bonds
2
Q
anode
A
positive electrode
3
Q
cathode
A
negative electrode
4
Q
electrolyte
A
solution that will conduct and electrical current
what ions are in
5
Q
what is electrolysis used for
A
to extract reactive metals from their ores
6
Q
anion
A
atom(s) that have gained electrons and are now negatively charged
7
Q
what are most anions formed from
A
formed mostly from non-metals
8
Q
from which rock can you get aluminium
A
bauxite
9
Q
cation
A
atom(s) that have lost electrons and are positively charged
10
Q
what are most cations formed from
A
mostly formed from metals
11
Q
DC
A
direct current
12
Q
dissociation
A
breaking up molecules in to ions when dissolved in water
13
Q
electrode
A
conducter used to make contact w circuit
14
Q
halide
A
ion formed when halogen gains 1 electron
15
Q
halogen
A
group 7
