729419
Descrição
Mapa Mental por Anna van W, atualizado more than 1 year ago
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Criado por Anna van W
mais de 10 anos atrás
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IGCSE Electrolysis
- electrodes
- cathode
- negative electrode
- attracts positive ions
- hydrogen & metals
- gain electrons if touch cathode
- hydrogen & metals
- attracts positive ions
- negative electrode
- anode
- positive electrode
- attracts negative ions
- non-metals
- lose electrons if touch anode
- non-metals
- attracts negative ions
- positive electrode
- cathode
- a process in which
electricity is used to break
compounds down into
their elements
- solution has to be liquid
- to conduct the electricity
- is called: electrolyte
- is called: electrolyte
- to conduct the electricity
- example: CuCl2 (copper cloride)
- Cu+2 goes to cathode
- gains 2 electrons and becomes Cu, so
copper is formed around the cathode
- gains 2 electrons and becomes Cu, so
copper is formed around the cathode
- Cl-1 goes to anode
- loses 1 electron and becomes Cl, so
chorine gas is released above the anode
- CuCl2 -> Cu + Cl2
- CuCl2 -> Cu + Cl2
- loses 1 electron and becomes Cl, so
chorine gas is released above the anode
- Cu+2 goes to cathode
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