Gasoline Mixture, homo Lucky charms Mixture, hetero Brass Mixture, homo Dry ice (CO2) Pure substance, compound Graphite Pure substance, element Steel Mixture, homo Pizza Mixture, hetero Mountain dew Mixture, homo Gold Pure substance, element BLT Mixture, hetero Chalk (CaCO3) Pure sub...
Pure Substance Pure Substance A pure substance always has the same composition while a mixture can contain one or more pure substances. Elements* or compounds* A compound contains only particles of identical atomic composition—therefore it always has the same composition. In contrast, a mixture is...
In order to be a pure substance, the substance must contain only one type of element or compound. For example, gold only contains gold elements. If there is another substance present, then it is considered a mixture. The following are examples of pure substance: Water: Water is considered ...