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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
Say
Cover	Look again
Write
Check

Look, Say, Cover, Write, Check

How to use:

Look and read the word.

Say the word. Click the speaker icon.

Cover the word.

Write the word.

Check your spelling.

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.

Start the Listen and Spell Test

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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to repeat the word.