Here's why:
* Electrolytes are substances that contain ions (charged particles) when dissolved in water.
* Ions are atoms or molecules that have gained or lost electrons, giving them a positive or negative charge.
* Water is a polar molecule, meaning it has a positive and negative end. This allows it to attract and surround ions, breaking them apart from each other.
* When these free ions are present in a solution, they can move freely and carry an electrical current.
Examples of Electrolytes:
* Salts: NaCl (table salt) dissolves into Na+ and Cl- ions.
* Acids: HCl (hydrochloric acid) dissolves into H+ and Cl- ions.
* Bases: NaOH (sodium hydroxide) dissolves into Na+ and OH- ions.
Non-Electrolytes:
* Substances that do not contain ions when dissolved in water do not conduct electricity. Examples include sugar (sucrose) and alcohol (ethanol).
