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Classification of matter slides
1. 8/30/2013
1
Classification of Matter
Matter: has mass, occupies space
Pure substances
• Only 1 substance present
• Definite and constant
composition
• Same properties under
same conditions (ex: bp,
mp)
• Elements or compounds
Mixtures
• Physical combimation
• Varying composition and
properties
• Homogeneous – 1 phase
– Mixed on particle level – not
groups
• Heterogeneous – 2 or more
phases