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APS matter chapter
matter, atoms, molecules
term | Definition |
---|---|
matter | the substance or substances of which any physical object consists or is composed |
molecule | multiple atoms bonded together |
atom | a single unit of matter |
element | atoms or molecules made up of a single type of atom |
compound | a molecule made up of 2 or more different types of atoms |
pure substance | a substance made up of one type of matter (can be an element or compound) |
mixture | a substance made up of multiple types of matter. |
heterogeneous mixture | a mixture where the particles are NOT evenly distributed. |
homogeneous mixture | a mixture where the particles are evenly distributed. |