CHM Chp 1 vocab

chemistry
the study of matter and the changes matter undergoes
matter
anything with mass and occupies space
can exist in 3 phases (states)
SOLIDS
LIQUIDS
GASES
Break down MATTER into a two level, six item for chart
——————MATTER
—–PURE SUBSTANCES—MIXTURES
ELEMENTS-COMPOUNDS–HOMOGENOUS-HETEROGENOUS
pure substance
matter with fixed composition and a unique set of properties
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