Electrolisis Flashcards
Anode
Anode – the positive electrode (attached to the positive terminal of the battery).
Cathode
the negative electrode (attached to the negative terminal of the battery).
Electrodes
a rod of metal or graphite through which an electric current flows into or out of an electrolyte.
Cation
Positively-charged ions
Anion
negatively-charged ions
Electrolyte
an ionic compound that is molten or dissolved in water that conducts electricity and is decomposed by it.
Ore
A rock containing enough quantities of a mineral for extraction to be possible.
Extraction
Separating compounds
Cryolite
an aluminium compound with a lower melting point than aluminium oxide.
Bauxite
Aluminium ore
Oxidation
is loss of electrons, gain of oxygen or loss of hydrogen.
Reduction
is gain of electrons, loss of oxygen or gain or hydrogen.