Electrolytes and Conductivity Flashcards

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What is an electrolyte?

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

In a solid, the ions are fixed in place and cannot move, so charge cannot flow.

When it is melted or dissolved in water so its ions are free to move.

Positive and negative ions that move through the liquid.

Metals conduct by moving electrons, but electrolytes conduct by moving ions.

Salt water, such as sodium chloride dissolved in water, is an electrolyte.

Sugar molecules do not form ions in water, so the solution cannot conduct electricity.

Higher ion concentration makes the solution conduct electricity better.

It means the substance is dissolved in water.

You place two electrodes in the solution and see if a bulb in the circuit lights.