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Pershing Chapter 3

Pershing 3--Elements, Compounds and Mixtures

QuestionAnswer
What kinds of changes need to happen to break a compound into its original elements? Chemical Changes
Flammability is an example of what kind of property? chemical property
When do compounds not form? after a physical change
A property that does not depend on the amount of the element is what? characteristic property
What is it called when 2 or more elements chemically bond together? a compound
What is an element? a pure substance that cannot be further broken down
What is a pure substance? substance where there is only one type of particle
What is a metalloid? element that has both metal and nonmetal properties
What is brittle? something that is not easy to work with becaus it breaks easily
When putting salt and water in a jar--which is the solvent and which is the solute? solvent is water salt is the solute
What happens in a mixture? substances come together but keep their original properties
What does soluble mean? a substance is able to dissolve
What is a mixture consisting of "medium-sized' particles? a colloid
What is a mixture? 2 or more substances that do not chemically combine--salt and pepper
What is a measure of the amount of solute in a solvent? concentration
What is a mixture where large particles settle out of the mixture if left alone? suspension
What process separates a mixture based on boiling points? distillation
What is a solution? mixture in which tiny particles are more or less evenly dispersed throughout a liquid or gas
What is the process used to separate a mixture? and what kind of change is it? filtration and a physical change
a shiny element that does not conduct electricity and is brittle is a _______. nonmetal
a shiny element the can conduct electricity and is brittle is a ________. metalloid
a shiny element that can conduct electricity and is malleable is a ________. metal
Created by: ellist
 

 



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