Chemistry 1211k Chapter 1 Matter and Measurement Notes by Meriam Sium Chemistry Study of matter energy tries to understand the reactivity transformations properties structures composition of atoms Chemistry is based on the Scientific Method Observation what happens Hypothesis explains why things happen based on small of events Atoms Molecules are building blocks Atoms can t destroy smallest Molecule combination of 2 or more things based on ratio compounds CO2 2 CO 1 Matter can be classified by its state physical form by its composition basic components that make it up Solid Matter 2 types crystalline amorphous Crystalline patterns w long range repeating order Amorphous molecules or atoms don t have patterns Classification of Matter by Components Mixture minimum of 2 substances more than 1 component Homogenous transparent uniform Heterogeneous particles clogged Elements 2 atoms oxygen nitrogen Compounds minimum of 2 different elements Separating Mixtures Filtration separate 2 components ex sand water Distill separate by boiling points of liquids Decanting oil water solid liquid Extraction oil water shake in a bottle 2 liquids Examples sweat mixture homogenous carbon dioxide compound aluminum element soup mixture heterogeneous wine mixture homogenous iron element
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