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Strong Electrolytes. Strong electrolytes are substances that only exist as ions in solution. Ionic compounds are typically strong electrolytes. Strong acids, strong bases and salts are strong electrolytes. When solid NaCl is placed in water, it completely dissociates to form Na+ and Cl-ions. nonelectrolyte does not dissociate at all in solution and therefore does not produce any ions. Nonelectrolytes are typically polar covalent substances that do dissolve in water as molecules instead of ions. Sugar (C12H22O11) is a good example of a nonelectrolyte.
Sodium has a positive 1 charge and chloride has a negative 1 charge. Thus one sodium cation cancels one chloride anion resulting in the formula Na1Cl1 or NaCl. This formula is called the formula unit since it represents only one unit of the vast NaCl array or lattice. Below are other examples of simple ionic compounds made up of single atom (monatomic) ions: Polyatomic ions and compounds: The ionic compounds above were made up of monatomic ions.