English National Curriculum - Science
Mission Objectives
Explain why displacement reactions happen
Write word and symbol equations for displacement reactions
Write ionic equations and half equations for displacement reactions (HT)
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Words and meanings to learn
redox
a reaction where both oxidation and reduction happen at the same time
oxidation
a reaction where a substance gains oxygen or loses electrons
reduction
a reaction where a substance loses oxygen or gains electrons
displacement
a reaction where a more reactive metal replaces a less reactive metal from a compound
ionic equation
a simplified chemical equation that only shows the ions involved in a reaction, removing spectator ions
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