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CHEM 160

FO1- FO5

QuestionAnswer
element single atoms (He, Ne) single element molecules (H2, O2) bonded solid networks (metals)
compounds molecules with multiple different elements (H2O, PO4)
pure substance matter with a single composition
mixture multiple different compounds or molecules
physical property ex color, smell, hardness, density, magnetic property (paramagnetic, dismagnetic, etc), electrical properties (conductivity), and phase shifts (s -> g)
chemical property ex combustion, corrosion, fammability (property while combusting occurs), rotting, radioactivity
s -> l melting
s -> g sublimation
l -> s freezing
g -> s deposition
l -> g vaporization
1 mL = ? 1cm^3
density formula mass/volume
is density large or small when molecules are close together large density
is density large or small when molecules are far apart small density
does mass change during phase transition NO
Created by: stella_koe
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