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Study the word list: GCSE Chemistry: Electrolysis 2

Key words for GCSE Chemistry

	halide	A halide is an atom from group 7 on the periodic table (halogens) which has gained an electron to form an item.
	reactive	If a substance is reactive, it reacts easily.
	reactivity	Reactivity refers to how reactive something is.
	pure	If a substance is pure, it is not mixed with anything else.
	purify	If you purify a substance, it means your turn it into a pure element or compound.
	graphite	Graphite is a carbon allotrope.
	electrolysis	Electrolysis describes the process of breaking down a compound using an electrical current.
	discharged	Discharged means the charge is removed or released.
	compound	Two or more elements in a substance make a compound.
	ore	A mineral or rock that metal is extracted from is called ore.
	inert	If a substance is inert, it means it is unreactive.
	subatomic	Protons, neutrons, and electrons are the subatomic particles found in an atom.
	allotrope	An allotrope is a form in which an element can exist, for example charcoal, graphite, and diamonds are are allotropes of carbon.
	ion	An ion is formed when an atom or a group of atoms gains or loses and electron.

Use the list: GCSE Chemistry: Electrolysis 2

Learn this spelling list using the 'Look, Say, Cover, Write, Check' activity.

Look	halide
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Cover	Look again
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Look, Say, Cover, Write, Check

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Look and read the word.

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halide

reactive

reactivity

pure

purify

graphite

electrolysis

discharged

compound

ore

inert

subatomic

allotrope

ion

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Test yourself using the 'Listen and Spell' spelling test.

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A ______ is an atom from group 7 on the periodic table (halogens) which has gained an electron to form an item.

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