787173
Description
Mind Map by Luke Marney, updated more than 1 year ago
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Created by Luke Marney
over 10 years ago
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Electrolysis Intro
- The process by which ionic
substances are broken down into
simpler substances by using
electricity
- Electro - Electricity
- Lysis -Breakdown
- Electro - Electricity
- Definitions
- Reduction
- A gain in electrons
- A gain in electrons
- Oxidisation
- Loss of electrons
- Loss of electrons
- Ion
- Positively or
negatively charged
particles
- Positively or
negatively charged
particles
- Ionic substance
- Formed when a metal reacts
with a non-meta and contains ionsl
- Formed when a metal reacts
with a non-meta and contains ionsl
- Reduction
- For electrolysis to be possible, the ions must
be able to move
- This happens when the ionic
substance is melted or dissolved in
water
- This happens when the ionic
substance is melted or dissolved in
water
- What happens?
- Positively charged ions
move to the negative
electrode
- There they gain electrons and are reduced
- There they gain electrons and are reduced
- Negatively charged
electrons move to the
positive electrode
- They then lose
electrons and are
oxidised
- They then lose
electrons and are
oxidised
- Positively charged ions
move to the negative
electrode
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