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Study the word list: GCSE Chemistry: Electrolysis 1

Key words for GCSE Chemistry

Word list: GCSE Chemistry: Electrolysis 1

 electron An electron is part of an atom that has a negative charge. Electrons are found in shells.
cation A cation is an atom or a group of atoms with a positive charge.
cathode A negative electrode is cathode.
anion An anion is an atom or a group of atoms with a negative charge.
anode A positive electrode is an anode.
reduction Reduction is the gain of electrons, the gain of hydrogen, or the loss of oxygen.
reduced A reduced substance has gained electrons.
oxidation Oxidation is the loss of electrons, the loss of hydrogen, or the gain of oxygen.
oxidised British English spelling An oxidised substance has lost electrons.
ionic A substance with a positive or negative charge is ionic.
electrolyte An electrolyte is a solution (molten or aqueous) that conducts an electrical current.
molten Molten means turned into liquid.
dissociate To dissociate, means to separate.
aqueous Aqueous means dissolved in water.
electrode During electrolysis, positively charged ions move to the negative electrode and negatively charged ions move to the positive electrode.
electrical The flow of a charge around a circuit is called an electrical current.
current The flow of a charge around a circuit is called an electrical current.

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