A mixture is formed when two or more elements or compounds are present without being chemically bonded together. The substances which have been mixed are not present in specific amounts or ratios ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample ... determines how much each component of a mixture impacts the total mass; the sum of ...