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Chemistry Vocab #2

QuestionAnswer
Matter the substance or substances of which any physical object consists or is composed  
Pure Substance A sample of matter, either an element or a compound, that consists of only one component with.  
Element one of a class of substances that cannot be separated into simpler substances by chemical means  
Compound a pure substance composed of two or more elements whose composition is constant.  
Mixture an aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other.
Homogenous Slution A mixture which has uniform composition and properties throughout.
Heterogenous Solution A mixture which does not have a uniform composition and you can see the different parts of the mixture  
Distillation a method of separating mixtures based on differences in their volatilities in a boiling liquid mixture  
Physical Changes occurs when objects undergo a change that does not change their chemical nature  
Physical Properties any property used to characterize matter and energy and their interactions
Chemical Changes hemical changes take place on the molecular level. A chemical change produces a new substance.
Chemical Properties Properties that do change the chemical nature of matter  
Law of Conservation of Matter During an ordinary chemical change, there is no detectable increase or decrease in the quantity of matter.  
Created by: shortstopman07