Electrolysis Flashcards

1
Q

What happens to ion’s when they are solid

A

They do not conduct electricity

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2
Q

What happens when ions are melted or dissolved in water ?

A

The ions are free to move around.They can then consuct electricity

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3
Q

What is it called when ionic compounds are dissolved or melted ?

A

Electrolytes

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4
Q

What are electrodes

A

An electric current that cn be passed through the electrolyte

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5
Q

What is electrolysis

A

As the electric current passes through the electrolyte,the ions of the ionic compound will move towards the electrodes

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6
Q

What is cathode

A

The positive metal ions are attracted to the negative electrodes (the metal element will be formed at the negative electrode

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7
Q

What is anode

A

The negative non metal ions are attracted to the positive electrode

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8
Q

Ionic compounds are made up of what

A

Made up of ions of a metal and a non metal

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9
Q

Extraction of metals

A

Metals are extracted from their ore using a method dependent of their position on the reactivity series.More reactive metals are extracted using electrolysis whereas less reactive metals can be heated with carbon.

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