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Chemical/Physical

Properties and Changes

QuestionAnswer
Physical Properties The characteristics of an object that can be observed without changing the identity of an object.
Physical Changes A change where no new substance is created. These changes are mostly reversible.
Chemical Changes An irreversible change in which a new substance is created.
Chemical Properties The characteristics of a substance that can only be observed when the identity of the substances changes. A trait or behavior of a substance that gives it the ability or inability to undergo a chemical change.
These are examples of what? Melting, Freezing, Boiling, Breaking, Dissolving, and Cutting Physical Changes
These are examples of what? Burning, Cooking, Rotting, Rusting, Fermenting, and Digesting. Chemical changes.
Color, Oder, Hardness, Luster, Phase of Matter, Mass, Size, Density, Boiling point, Melting point, and Conductivity are all examples of what? Physical Properties
Luster How light is reflected off the surface of an object. (How shiny something is)
Mass The amount of matter in an object.
Density How tightly packed the atoms of an object are.
Reactivity, Combustibility/Flammability, and Toxicity are all examples of what? Chemical Properties.
Reactivity How easily an atom has a reaction with another element. Depends on the Valence shells.
Combustibility/Flammability The ability for a substance to burn.
Toxicity The ability
Created by: krozwood
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