Compare and Contrast Mixtures and Compounds How many different types of substances are involved? Mixture Two or more Compound Two or more Physically Chemically How are substances combined? What must happen to Stir/shake/physical make the substances movement combine? What do substances do Keep with their properties when they are combined? Chemical reaction creates chemical bonds Lose No Yes No Yes Do the substances have a specific chemical composition or formula? No Yes How can the substances be separated? Physically – filtering, evaporating, magnetism, picking out Maybe not /Sometimes Chemical reaction must break bonds holding atoms together Always Are new properties formed? Are substances combined in specific amounts? Are all parts of the combination the same?