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Study the word list: GCSE Chemistry: Electrolysis 1

Key words for GCSE Chemistry

	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	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.

Use the list: GCSE Chemistry: Electrolysis 1

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electron

cation

cathode

anion

anode

reduction

reduced

oxidation

oxidised

ionic

electrolyte

molten

dissociate

aqueous

electrode

electrical

current

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An ________ is part of an atom that has a negative charge. Electrons are found in shells.

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