Chapter 2: Chemical Reactions Section 1: Observing Chemical Changes How can matter and changes in matter be described? In terms of two kinds of properties- physical properties and chemical properties Changes in matter can be described in terms of physical or chemical changesBy Thomas
EQ#6 What are the properties of matter? . What is a (Pure) Substance?. A substance is matter that is uniform & has an unchanging composition. A formula can be written for a substance Ex. H 2 0 or 0 2 A substance can be either an element or a compound . . Elements and Compounds.By tulia
Matter-Properties and Changes. We will return to Chapter 2 after Chapter 3! Don’t worry!! . What you’ll learn . You will distinguish between physical and chemical properties You will classify matter by composition. You will explain the fundamental law of the conservation of mass. Pretest.By astin
Physical and Chemical Changes. 3 rd Quarter 2012. Kinetic Theory of Matter . THEORY OF KINETIC ENERGY A. ATOMS ARE ALWAYS MOVING B. THE MORE ENERGY ADDED TO THE ATOMS, THE FASTER & FARTHER APART THEY MOVE. Physical Changes.By selina
Chemical & Physical Properties. Physical Properties. Properties that are unique for each substance and are used to identify the substance itself. Physical state Color Odor Texture Clarity Luster Form Hardness Brittleness Malleability Ductility ViscosityBy vance-merrill
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