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What is chemistry?
Chemistry is the study of "matter," the study of the composition, structure, properties and reactions of "matter."
What is matter?
Matter is anything that has mass and takes up space.
What are the three realms of matter?
Macroscopic, microscopic and particulate.
- Macro - a book
- micro - a cell
- particulate - an atom
What determines the physical state(s) of matter?
How the particles interact: solid, liquid and gas molecules react differently.
Describe the physical state of a solid
(shape, volume, particles, and compressibility)
- Shape and volume - definite.
- Particles - tight, amorphous (gel) or crystalline (salt) pattern
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