Matter & Mixtures

Chemistry is the study of matter and the changes it undergoes, with the atom being its basic functional unit. 

Matter

Matter is anything that takes up space and has mass

Under appropriate conditions of pressure and temperature, most substances can exist in 3 states of matter.

Concept: Volume, compressibility and viscosity of phases of matter 

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The closeness of molecules within the three phases of matter affects how they respond to changes in volume, pressure and temperature.