Elements, Compounds, and Mixtures Practice

Fill in the missing words in the definitions below. - An element consists of one type(s) of atom.- A compound contains two or more elements joined together.- A mixture contains two or more elements or compounds, but they are not chemically joined.- A pure substance contains only one kind of particle. Pure substances include both compounds and elements, but not mixtures.- An atom is the most basic building block of all matter. Sort the following items into their correct categories. Element Argon (Ar) Helium (He) Compound Water (H2O) potassium chloride (KCl) Mixture Salad Dressing Blood Draw a model of an ELEMENT below. Draw a model of a COMPOUND below. Draw a model of a MIXTURE below.