Question | definition | example |
what is the definition for chemical property | any characteristic of a material that indicates it can undergo a certain chemical change | flammability, oxidation |
what is the definition for colloid | heterogeneous mixture never settle and that are large enough to scatter light | fog |
what is the definition for compound | two or more elements chemically combined, can only be separated by chemical means | sodium chloride (NaCl), glucose (C6H12O6) |
what is the definition for chemical property | any characteristic of a material that indicates it can undergo a certain chemical change | flammability, oxidation |
what is the definition for distalliation | a process used to separate two substances in a mixture by evaporating a liquid | forming drinking water from seawater by heating the water to form a vapor |
what is the definition for element | matter containing the same kinds of atoms | oxygen, hydrogen, zinc |
what is the definition for heterogeneous
mixture | mixture w/ easily distinguishable materials | granite, pizza toppings |
what is the definition for homogenous mixture | mixture w/ non-distinguishable materials blended evenly throughout | a solution, a colloid, or a suspension |
what is the definition for Law of Conservation of Mass | the total mass of all reactants in a chemical reaction is equal to the total mass | |
mixture | two or more substances physically combined, can easily be separated by physical means | salt and pepper, chocolate chip cookies |
physical change | any change in size, shape, or state of matter in which the identity of the substance remains | freezing water |
physical property | any characteristic of a material that can be observed without changing the identity | size, shape, mass, color |
solution | homogenous mixture containing microscopic particles in a liquid that remain uniformly | salt water, soda, vinegar |
substance | type of matter w/ fixed composition | element (iron) or compound (iron oxide) |
suspension | heterogeneous mixture containing visible particles in a liquid that will settle | muddy pond water, |
Tyndall Effect | scattering of light by colloid particles | high beams in fog |