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Physcience

chapter 2

QuestionAnswer
Heterogenous particles are large enough to be seen "least mixed" can seperate
molecules what compounds are made of. 2 or more atoms chemically bound.
mixtures matter that consists of 2 or more sub mix together not chemically bound
compounds can be broken into smaller substances chemically bound
viscosity liquids resistance to flow
physical properties characteristics of matter that can be observed without changing the substance.
exampls of physical properties mass, weight, volume.
alloys solutions made of metals
solubility amount of a substance that can be dissolved in another substance at a given temp.
gases solubility temperature increases solubility decreases.
insoluble a substance that is not capable of dissolving in another substance (sand+water)
soluble any substance tjhat dissolves in another substance
colloids type of homo. mix. particles are mixed but not dissolved ex: milk
suspensions a type of hetro. mix. particles are dispersed throughout a liquid or gas. " large particles
conductivity a metals ability to allow heat to flow
elements pure substance all atoms exactly the same
Created by: fishcakes12
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