Electrolysis

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Electrolysis

Watch the following video for help:
https://www.youtube.com/watch?v=3WgPGn-HZI4
https://www.youtube.com/watch?v=3WgPGn-HZI4

What is electrolysis? *

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The breakdown of an elements using electricity

The breakdown of a compounds into its elements using electricity

In electrolysis, what is the name of the positive electrode? *

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cathode

anode

In electrolysis, what is the name of the negative electrode? *

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cathode

anode

What is an electrolyte? *

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Liquid or solution that contains electrons and so can conduct electricity

A liquid or solution that contains ions and so can conduct electricity

When can ionic compounds conduct electricity and why? *

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When molten or dissolved because the ions are not free to move

When solid because the ions are free to move

When molten or dissolved because the ions are free to move

What kind of Electrical Current does Electrolysis require? *

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Direct

Alternating

What happens to metal ions during electrolysis? *

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They are attracted to the positive electrode

They are attracted to the negative electrode

What happens to non-metal ions during electrolysis? *

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They are attracted to the positive electrode

They are attracted to the negative electrode

The gain of electrons is called *

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Reduction

Oxidation

The loss of electrons is called *

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Reduction

Oxidation

In electrolysis, where are metal elements formed? *

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positive electrode

negative electrode

In electrolysis, where are non-metal elements formed? *

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positive electrode

negative electrode

Once cations reach the cathode they... *

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Gain electrons

Lose electrons

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