Elements, Compounds, and Mixtures

Master elements, compounds, and mixtures! Definitions and sorting practice for science basics.

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 1. Cigarette smoke spreads though air. Smoke is the _?_ Solute Solvent 2. A gold ring is 10 parts copper and 14 parts gold, what is the solvent? copper gold 3. A cup of coffee contains caffeine, sugar, coffee grinds and water. What is the solvent in the cup of coffee? caffeine sugar coffee grinds water