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Chapter 4 for test

pure substance that cannot be separated into simpler substances by physical or chemical means element
a type of substance in which there is only one type of particle pure substance
what is the name of a particle in an element? atom
pure substance composed of two or more elements that are chemically combined compound
what is the name of a particle in a compound? molecule
when two or more atoms join, they form a --- molucule
do the properties of a compound differ from the elements in it? yes
what is applying electric current called? electrolysis
what is the only way to break down a compound? chemical change
what are some examples of compounds? proteins, carbon dioxide, carbohydrates
a combonation of two or more substances that are not chemically combined? mixture
do mixtures endure chemical changes? no
process that separates based on the boiling points of the compounds distillation
used to separate blood centrifuge
mixture that appears to be a single substance solution
substance dissolved in a solution solute
substance in which the solution is dissolved solvent
solid solution of metals or nonmetals alloy
when 2 or more liquids form a solution, which is called the solvent? the larger one
amount of solute dissolved in a solvent concentration
solution with the same uniform and appearence throughout homogeneous
solution that consists of visibly different substances heterogeneous
the ability of the solute to dissolve in a solvent at a certain temperature soluablity
misxture in which particles of a material are dispersed throughout a liquid suspension
mixture in which the particles are dispersed throughout colloid
what is the formula for concentration? grams of solute/ mililiters of solvent
do gases become less soluable in liquids as the temperature is raised or as the pressure is raised? the temperature
what are ways to dissolve solutes? mixing, heating, or crushing
Created by: kfran0112