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Chemistry

Chapter 2 vocab

QuestionAnswer
Mass the amount of matter that an object contains
Volume an measure of the space occupied by an object
Extensive property depends on the amount of matter in a sample
Intensive property depends on the type of matter in a sample
Substance matter that has a uniform and definite composition
Physical property a quality of a substance that can be observed without changing the substance's 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 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
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 homogeneous mixture
Phase alters a substance without changing its composition
Filtration a method for separating a solid from a liquid in a heterogeneous mixture
Distillation separation of a liquid by boiling followed by condensation
Element the simplest form of matter with a unique set of properties
Compound contains two or more elements chemically combined in a fixed proportion
Chemical change a change that produces matter with a different composition than the original matter
Chemical symbol one or two letters that represent an element
Chemical property ability of a substance to undergo a specific chemical change
Chemical reaction process in which one or more substances change into one or more new substances
Reactant a part of a sample with uniform composition and properties
Product substance formed in a chemical reaction
Precipitate solid that forms and settles out of a liquid mixture
Law of conservation mass in any physical change or chemical reaction, mass can be neither created nor destroyed
Created by: VKimbrell718