Physical and Chemical Properties. Physical and Chemical Changes 764 Explain – Content...

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Physical and Chemical PropertiesPhysical and Chemical Changes

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Explain Content ConnectionsWhat is a Physical Property?What are physical properties?ColorShapeDensityVolumeLengthLocationTemperatureSpeedWhat is a Chemical Property?Materials properties that become obvious during a chemical reactionWhat are Chemical Properties?Reactivity with other chemicalspHToxicityFlammabilityTypes of chemical bonds that will formWhat is a Physical Change?Affects the form of substance but not the chemical compositionCan you name examples of physical changes?What is a Chemical Change?A chemical change changes the arrangement of atoms NOT THE ACTUAL ATOMSKey concept Forms a NEW substanceHow do we know a chemical change occurred?First question to ask yourself: Is a new substance forming?Other questions to ask: Is a gas forming? Are colors changing? Are different substances forming? If yes to any of these questions, indicates chemical change is taking placeMatching Activity