properties of matter. physical properties chemical properties

Download Properties of Matter. Physical Properties Chemical Properties

Post on 27-Mar-2015




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Properties of Matter Slide 2 Physical Properties Chemical Properties Slide 3 Physical Properties Mass Color Melting Point Boiling Point Density State (at normal conditions) Slide 4 States of Matter Density Energy/Temperature Plasma Gas Liquid Solid Neutronium Black Hole Slide 5 Transitions (a physical Change) Gas CondensationVaporization Boil Liquid SolidifyMelt Freeze Solid Slide 6 Physical Change Slide 7 Mixtures Heterogeneous Homogeneous Solution Mixtures can vary in composition / amount Slide 8 Separation of Mixtures Using Physical Methods / Physical Properties Salt and pepper Salt and sand Water and salt Water and Alcohol distillation Slide 9 Slide 10 Elements and Compounds Matter Mixture of Substances Substance ElementCompound Homogeneous mixture Heterogeneous mixture (solution, uniform) (nonuniform, layers, phases) (Definite Composition) (Variable Composition) Slide 11 Elements and Compounds So Whats the difference between Elements and Compounds Compounds Made of 2 or more Elements - Can be chemically separated Elements only one type of substance Slide 12 Is it important??? Well, getting some definitions straight is good And, it lets you know what kinds of things might go on Like, what happens when you had Sodium and Chlorine or Sodium to Water? Slide 13 Chemical Reaction OK what happens when you put Na with Cl2? 2Na + Cl 2 -> 2 NaCl Reactants -> Products Cool, a poison plus a poison makes salt not a poison! Slide 14 Slide 15 Slide 16 How do you know its a Chemical Reaction? Energy is Absorbed (cools) or Released (gives off heat) Light! (sound) Color change Gas formed, Solid formed (precipitate) Not easily reversible (are there exceptions to these well, yes) Slide 17 Conservation of Mass Conservation of Energy In a chemical reaction* matter cannot be created nor destroyed In a chemical reaction* - Energy cannot be created nor destroyed Slide 18 Hold on what about atomic bombs OK you got me the REAL answer is Matter and energy can neither be created nor destroyed it can only change forms. Slide 19 Baker - @ Bikini - RMI Slide 20 Slide 21 Disclaimer Aloha I put together these power points for use in my science classes. You may use them in your classes. Some images are public domain, some are used under the fair-use provisions of the copyright law, some are mine. Copyright is retained by the owners! Ted Brattstrom


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