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ch 2 chemi

vocab

QuestionAnswer
volume measure of the space occupied by an object
mass the amount of matter that an object contains
substance matter that has a uniform and definite composition
physical property a quality of condition of a substance that can be observed or measured without changing the substances composition
solid matter that has a definite shape and volume
liquid matter that has a definite volume and takes the shape of its container
gas matter that takes both the shape and volume of its container
vapor gaseous state of a substance that generally exists as a liquid or solid at room temperature
physical change a change to a material that does not change its composition
extensive property depends on the amount of matter in a sample
intensive property depends on the type of matter in a sample
mixture a physical blend of two or more components
heterogeneous mixture a mixture that is not uniform in composition
homogeneous mixture a mixture that has a uniform composition throughout
solution another name for a homogeneous mixture, many are liquids some are gases and solids- like stainless steel which is a mixture of iron, chromium and nickel
phase any part of a sample that has uniform composition and properties
distillation separation of a liquid by boiling followed by condensation
filtration a method for separating a solid from a liquid in a heterogeneous mixture
compound a substance that contains two or more elements chemically combined
chemical change a change that produces matter with different compositions than the original matter
chemical property substance that undergos specific chemical changes
element simplest form of matter
Created by: 220622
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